{"id":263062,"date":"2025-02-04T06:30:00","date_gmt":"2025-02-04T06:30:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=263062"},"modified":"2025-01-31T22:05:25","modified_gmt":"2025-01-31T22:05:25","slug":"fuzzing-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/fuzzing-tout-savoir","title":{"rendered":"Fuzzing : Qu&rsquo;est-ce que c&rsquo;est ? Comment l&rsquo;utiliser ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"263062\" class=\"elementor elementor-263062\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a0837e0 e-flex e-con-boxed e-con\" data-id=\"a0837e0\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ad38ed elementor-widget elementor-widget-text-editor\" data-id=\"1ad38ed\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><strong>Mieux vaut pr\u00e9venir que gu\u00e9rir\u2026 Telle est la philosophie qui est \u00e0 la base du fuzzing. Elle a pour principe de tester un logiciel ou un syst\u00e8me sous les angles les plus divers, les plus impr\u00e9visibles et tenter ainsi de rep\u00e9rer des failles potentielles avant qu\u2019elles ne puissent \u00eatre exploit\u00e9es de mani\u00e8re nuisible.<\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a5ec2a elementor-widget elementor-widget-text-editor\" data-id=\"5a5ec2a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Un syst\u00e8me, quel qu\u2019il soit, est initialement con\u00e7u pour fonctionner dans un environnement tranquille, d\u00e9pourvu de surprises. Or, dans le r\u00e9el, il va arriver que ledit syst\u00e8me connaisse un crash pour une raison inattendue. L\u2019utilisateur a entr\u00e9 une information que le logiciel n\u2019avait pas pr\u00e9vu, et faute de savoir la traiter, il en vient \u00e0 <\/span><i><span style=\"font-weight: 400;\">crasher<\/span><\/i><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">Pour les concepteurs d\u2019un programme, le souci est qu\u2019il est <strong>difficile de pr\u00e9voir les situations<\/strong> en question. En r\u00e9sultat, une industrie \u00e0 part enti\u00e8re a vu le jour avec pour objectif de pouvoir soumettre un syst\u00e8me \u00e0 toutes sortes de conditions impr\u00e9vues.<\/span><\/p><p><span style=\"font-weight: 400;\">L\u2019une des m\u00e9thodes de test qui a vu le jour s\u2019intitule le <strong>\u00ab fuzzing \u00bb<\/strong>. Il s&rsquo;agit d&rsquo;une technique de test automatis\u00e9e. Elle consiste \u00e0 injecter des donn\u00e9es al\u00e9atoires dans un syst\u00e8me informatique et \u00e0 voir comment r\u00e9agit celui-ci. Le fuzzing peut ainsi r\u00e9v\u00e9ler des <strong>probl\u00e8mes de s\u00e9curit\u00e9, de performance<\/strong>.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7676c2 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"b7676c2\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formations-cybersecurite\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Approfondir sur le fuzzing<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-30dff7b e-flex e-con-boxed e-con\" data-id=\"30dff7b\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a276d0 elementor-widget elementor-widget-heading\" data-id=\"6a276d0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h3 class=\"elementor-heading-title elementor-size-default\">Qu\u2019est ce qu\u2019un fuzzer ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3347c2 elementor-widget elementor-widget-text-editor\" data-id=\"a3347c2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Un fuzzer est un programme qui injecte automatiquement des entr\u00e9es al\u00e9atoires dans un programme afin de <strong>d\u00e9tecter de potentielles anomalies<\/strong>.<\/span><\/p><p><span style=\"font-weight: 400;\">Gr\u00e2ce aux fuzzers, les experts en cybers\u00e9curit\u00e9 peuvent d\u00e9couvrir des <strong>vuln\u00e9rabilit\u00e9s<\/strong> avant qu\u2019elles aient une possibilit\u00e9 d\u2019\u00eatre exploit\u00e9es par des <a href=\"https:\/\/datascientest.com\/growth-hacker-tout-savoir\">hackers<\/a>. Des mesures peuvent alors \u00eatre prises pour corriger ces failles et pr\u00e9venir de potentielles attaques.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7b1faed e-flex e-con-boxed e-con\" data-id=\"7b1faed\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eab7a64 elementor-widget elementor-widget-heading\" data-id=\"eab7a64\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">L\u2019origine du mot fuzzing<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36df498 elementor-widget elementor-widget-text-editor\" data-id=\"36df498\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Durant les ann\u00e9es 80, le professeur Barton Miller de l\u2019Universit\u00e9 du Wisconsin se trouvait en connexion via le r\u00e9seau t\u00e9l\u00e9phonique durant une situation de forte bourrasque. Il a alors remarqu\u00e9 une importante interf\u00e9rence sur le signal. Peu \u00e0 peu, cette interf\u00e9rence a provoqu\u00e9 un <strong>crash du syst\u00e8me<\/strong>.<\/span><\/p><p><span style=\"font-weight: 400;\">Intrigu\u00e9, Miller a demand\u00e9 \u00e0 ses \u00e9tudiants de simuler cette exp\u00e9rience \u00e0 l\u2019aide d\u2019un <strong>g\u00e9n\u00e9rateur de bruit<\/strong>, et de voir si ces signaux pouvaient en venir \u00e0 planter des <a href=\"https:\/\/datascientest.com\/unix-tout-savoir\">syst\u00e8mes UNIX<\/a>. Il a ainsi cr\u00e9\u00e9 le premier <strong>test de fuzzing<\/strong>. Et puis, cette approche a \u00e9t\u00e9 mise en \u0153uvre sur toutes sortes d\u2019environnements informatiques.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12a19b6 elementor-widget elementor-widget-image\" data-id=\"12a19b6\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"571\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-1.webp\" class=\"attachment-full size-full wp-image-263213\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-1.webp 1000w, https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-1-300x171.webp 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-1-768x439.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-83c7d66 e-flex e-con-boxed e-con\" data-id=\"83c7d66\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a26aacd elementor-widget elementor-widget-heading\" data-id=\"a26aacd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comment fonctionne le fuzzing ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b83582 elementor-widget elementor-widget-text-editor\" data-id=\"5b83582\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le principe du fuzzing consiste \u00e0 <strong>introduire des entr\u00e9es volontairement incorrectes dans un syst\u00e8me pour identifier les d\u00e9faillances<\/strong>.<\/span><\/p><p><span style=\"font-weight: 400;\">Un fuzzer repose sur plusieurs composants cl\u00e9s surnomm\u00e9s po\u00e8te, messager et oracle en raison de leurs r\u00f4les sp\u00e9cifiques : cr\u00e9er, transmettre et analyser les cas de test.<\/span><\/p><ol><li><span style=\"font-weight: 400;\">Un <strong>po\u00e8te<\/strong>, qui g\u00e9n\u00e8re les donn\u00e9es de test (case tests). La philosophie d\u2019un fuzzer est que par essence, on ne se concentre pas sur les vuln\u00e9rabilit\u00e9s connues, l\u2019id\u00e9e \u00e9tant de g\u00e9n\u00e9rer le plus grand nombre possible de cas de test.<\/span><\/li><li><span style=\"font-weight: 400;\">Un <strong>messager<\/strong> qui achemine ces case tests au logiciel cible.<\/span><\/li><li><span style=\"font-weight: 400;\">Un <strong>oracle<\/strong>, qui d\u00e9tecte si une d\u00e9faillance s\u2019est r\u00e9v\u00e9l\u00e9e. Si tel est le cas, il fournit des informations pour qu\u2019il soit possible de reproduire le probl\u00e8me, l\u2019analyser et le corriger.<\/span><\/li><\/ol>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b8d51b elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"9b8d51b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formations-cybersecurite\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Se former au fuzzing<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3715402 e-flex e-con-boxed e-con\" data-id=\"3715402\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-525baeb elementor-widget elementor-widget-heading\" data-id=\"525baeb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les trois types de \u2018test cases\u2019<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cb62c8 elementor-widget elementor-widget-text-editor\" data-id=\"1cb62c8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le po\u00e8te cr\u00e9e des donn\u00e9es al\u00e9atoires bas\u00e9es sur des mod\u00e8les \u00e9volutifs ou bien il les g\u00e9n\u00e8re \u00e0 partir d\u2019une compr\u00e9hension approfondie des protocoles, formats de fichiers ou <a href=\"https:\/\/datascientest.com\/api-vulnerability-tout-savoir\">API<\/a>. Trois approches peuvent exister :<\/span><\/p><ul><li><strong><i>Fuzzing al\u00e9atoire<\/i><\/strong><span style=\"font-weight: 400;\"> : donn\u00e9es totalement al\u00e9atoires.<\/span><\/li><li><strong><i>Fuzzing \u00e9volutif<\/i><\/strong><span style=\"font-weight: 400;\"> : anomalies introduites d\u00e9lib\u00e9r\u00e9ment dans des entr\u00e9es valides et ajust\u00e9es en fonction des r\u00e9sultats.<\/span><\/li><li><strong><i>Fuzzing g\u00e9n\u00e9ratif<\/i><\/strong><span style=\"font-weight: 400;\"> : bas\u00e9 sur la compr\u00e9hension des r\u00e8gles du syst\u00e8me, avec pour principe de les enfreindre syst\u00e9matiquement.<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b1e24e7 e-flex e-con-boxed e-con\" data-id=\"b1e24e7\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ac647f elementor-widget elementor-widget-heading\" data-id=\"6ac647f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les avantages du fuzzing<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-736bbd8 elementor-widget elementor-widget-text-editor\" data-id=\"736bbd8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le fuzzing a de nombreux atouts.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-166e983 elementor-widget elementor-widget-heading\" data-id=\"166e983\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><font size=\"4\">Evaluation de la s\u00e9curit\u00e9<\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78c6518 elementor-widget elementor-widget-text-editor\" data-id=\"78c6518\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Il produit une \u00e9valuation globale de la robustesse et des risques de s\u00e9curit\u00e9.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e63b48f elementor-widget elementor-widget-heading\" data-id=\"e63b48f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><font size=\"4\">Pr\u00e9vention des piratages<\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b00d8f elementor-widget elementor-widget-text-editor\" data-id=\"9b00d8f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Les sources de hacking potentiel sont rep\u00e9r\u00e9es avant d\u2019avoir pu \u00eatre exploit\u00e9es.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-999a2a0 elementor-widget elementor-widget-heading\" data-id=\"999a2a0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><font size=\"4\">Co\u00fbt r\u00e9duit<\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7818fe2 elementor-widget elementor-widget-text-editor\" data-id=\"7818fe2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Une fois configur\u00e9, un fuzzer peut fonctionner en autonome.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fbbfd7 elementor-widget elementor-widget-heading\" data-id=\"1fbbfd7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><font size=\"4\">D\u00e9tection de bugs<\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d50d150 elementor-widget elementor-widget-text-editor\" data-id=\"d50d150\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Un fuzzer va r\u00e9v\u00e9ler des bugs que les m\u00e9thodes de test conventionnelles ne d\u00e9tectent pas.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b63acee elementor-widget elementor-widget-image\" data-id=\"b63acee\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"571\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-2.webp\" class=\"attachment-full size-full wp-image-263214\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-2.webp 1000w, https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-2-300x171.webp 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-2-768x439.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d3e852 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"7d3e852\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formations-cybersecurite\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Ma\u00eetriser les outils de fuzzing<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8a76e1e e-flex e-con-boxed e-con\" data-id=\"8a76e1e\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55302bb elementor-widget elementor-widget-heading\" data-id=\"55302bb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les types de fuzzers<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2976ae elementor-widget elementor-widget-heading\" data-id=\"f2976ae\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><font size=\"4\">Bo\u00eete noire<\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ccff8d elementor-widget elementor-widget-text-editor\" data-id=\"0ccff8d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le terme \u00ab bo\u00eete noire \u00bb indique que le fuzzer ne dispose d&rsquo;aucune information sur le fonctionnement interne du logiciel.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82eb5f2 elementor-widget elementor-widget-heading\" data-id=\"82eb5f2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><font size=\"4\">Bo\u00eete blanche<\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc0ba63 elementor-widget elementor-widget-text-editor\" data-id=\"fc0ba63\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Un fuzzer bo\u00eete blanche dispose d&rsquo;une connaissance approfondie du logiciel qu&rsquo;il teste. Il a acc\u00e8s \u00e0 son code source, \u00e0 sa documentation et \u00e0 sa structure interne.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-db9c6f1 e-flex e-con-boxed e-con\" data-id=\"db9c6f1\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6288b7a elementor-widget elementor-widget-heading\" data-id=\"6288b7a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les principaux fuzzers<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b134aa6 elementor-widget elementor-widget-heading\" data-id=\"b134aa6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><font size=\"4\">Fuzzer payants<\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-755fd5e elementor-widget elementor-widget-text-editor\" data-id=\"755fd5e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li><span style=\"font-size: medium;\"><b>Beyond Security beSTORM<\/b><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Ce fuzzer de type bo\u00eete noire utilise un moteur de fuzzing g\u00e9n\u00e9ratif bas\u00e9 sur des mod\u00e8les. Il couvre de fa\u00e7on \u00e9tendue les protocoles, normes et formats de fichiers, sans toutefois n\u00e9cessiter l&rsquo;acc\u00e8s au code source.<\/span><\/p><ul><li><span style=\"font-size: medium;\"><b>Black Duck Defensics<\/b><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Cette\u00a0 solution de fuzzing se distingue par son intelligence int\u00e9gr\u00e9e, plus de 250 suites de tests pr\u00e9d\u00e9finis (r\u00e9seaux, fichiers, etc.), et sa capacit\u00e9 \u00e0 d\u00e9tecter rapidement des vuln\u00e9rabilit\u00e9s gr\u00e2ce \u00e0 une analyse approfondie des sp\u00e9cifications et r\u00e8gles du syst\u00e8me cible.<\/span><\/p><ul><li><span style=\"font-size: medium;\"><b>Code Intelligence Fuzz<\/b><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Cette plate-forme de fuzzing de type bo\u00eete blanche s\u2019int\u00e8gre directement dans <a href=\"https:\/\/datascientest.com\/ci-cd-integration-continue-livraison-continue\">les pipelines CI\/CD<\/a> (suite automatis\u00e9e de processus de cr\u00e9ation et d\u00e9ploiement d\u2019\u2019applications) et aide donc \u00e0 automatiser les tests de s\u00e9curit\u00e9.<\/span><\/p><ul><li><span style=\"font-size: medium;\"><b>ForAllSecure Mayhem for Code<\/b><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Une solution avanc\u00e9e de type bo\u00eete blanche qui vou\u00e9e \u00e0 la d\u00e9tection de bugs et de vuln\u00e9rabilit\u00e9s dans le code source. Elle offre des tests automatis\u00e9s, une couverture approfondie et des rapports d\u00e9taill\u00e9s.<\/span><\/p><ul><li><span style=\"font-size: medium;\"><b>Coverity Fuzz Testing<\/b><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Cette solution automatis\u00e9e de fuzzing inclut la g\u00e9n\u00e9ration de donn\u00e9es de test, l&rsquo;ex\u00e9cution des tests et la g\u00e9n\u00e9ration de rapports. Elle int\u00e8gre des outils de diagnostic des d\u00e9fauts d\u00e9tect\u00e9s.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-302fb35 elementor-widget elementor-widget-image\" data-id=\"302fb35\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"571\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-3.webp\" class=\"attachment-full size-full wp-image-263237\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-3.webp 1000w, https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-3-300x171.webp 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2025\/01\/fuzzing-datascientest-3-768x439.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f68665e elementor-widget elementor-widget-heading\" data-id=\"f68665e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><font size=\"4\">Fuzzer open source<\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89c8f36 elementor-widget elementor-widget-text-editor\" data-id=\"89c8f36\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li><span style=\"font-size: medium;\"><b>Ffuf (Fuzz Faster U Fool)<\/b><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Un outil de fuzzing flexible et rapide \u00e0 m\u00eame d\u2019explorer des sous-domaines, des fichiers cach\u00e9s. Il est capable de g\u00e9rer des donn\u00e9es volumineuses et constitue un outil de choix pour les tests de s\u00e9curit\u00e9 d\u2019applications web.<\/span><\/p><ul><li><span style=\"font-size: medium;\"><b>OneFuzz<\/b><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Cette plate-forme cloud de fuzzing bien que d\u00e9velopp\u00e9e par Microsoft est open source, donc disponible gratuitement sur <a href=\"https:\/\/datascientest.com\/formation-github\">GitHub<\/a> \u2013 elle\u00a0 vise \u00e0 d\u00e9mocratiser le fuzzing. OneFuzz s&rsquo;appuie sur des <a href=\"https:\/\/datascientest.com\/apprentissage-automatique\">techniques d&rsquo;apprentissage automatique<\/a> pour am\u00e9liorer l&rsquo;efficacit\u00e9 des tests. Son usage peut cependant entra\u00eener des co\u00fbts indirects, comme ceux li\u00e9s \u00e0 l\u2019usage de l\u2019infrastructure cloud.<\/span><\/p><ul><li><span style=\"font-size: medium;\"><b>PeachTech Peach Fuzzer<\/b><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Cet outil de fuzzing polyvalent peut \u00eatre utilis\u00e9 pour tester une grande vari\u00e9t\u00e9 de logiciels, de protocoles et de formats de fichiers. Il sert \u00e0 tester la robustesse des logiciels, protocoles, et formats de fichiers. Il est capable de simuler des environnements complexes afin d\u2019identifier des vuln\u00e9rabilit\u00e9s critiques de mani\u00e8re syst\u00e9matique et cibl\u00e9e.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe9a692 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"fe9a692\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formations-cybersecurite\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9couvrir nos formations en cybers\u00e9curit\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3284b1f e-flex e-con-boxed e-con\" data-id=\"3284b1f\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55339e4 elementor-widget elementor-widget-html\" data-id=\"55339e4\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Qu'est-ce que le fuzzing ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Le fuzzing, ou test par injection de donn\u00e9es, est une technique de s\u00e9curit\u00e9 qui consiste \u00e0 envoyer des entr\u00e9es al\u00e9atoires ou malform\u00e9es \u00e0 un logiciel pour d\u00e9tecter des bugs, vuln\u00e9rabilit\u00e9s ou comportements inattendus.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Quels sont les objectifs du fuzzing ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Le fuzzing vise \u00e0 identifier des failles de s\u00e9curit\u00e9, des crashs ou des erreurs logicielles caus\u00e9es par des entr\u00e9es inattendues ou malveillantes, afin d'am\u00e9liorer la robustesse et la s\u00e9curit\u00e9 des syst\u00e8mes.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Quels types de fuzzing existent ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Il existe principalement trois types de fuzzing : le fuzzing bas\u00e9 sur des mod\u00e8les (g\u00e9n\u00e9ratif), le fuzzing bas\u00e9 sur des mutateurs (mutation d'entr\u00e9es existantes) et le fuzzing dirig\u00e9 par couverture (qui analyse les chemins parcourus dans le code).\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Quels outils sont utilis\u00e9s pour le fuzzing ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Parmi les outils de fuzzing populaires, on trouve AFL (American Fuzzy Lop), LibFuzzer, Peach, Honggfuzz et Burp Suite. Ces outils sont utilis\u00e9s pour tester des applications web, des biblioth\u00e8ques ou des syst\u00e8mes complets.\"\r\n      }\r\n    }\r\n  ]\r\n}\r\n<\/script>\r\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Mieux vaut pr\u00e9venir que gu\u00e9rir\u2026 Telle est la philosophie qui est \u00e0 la base du fuzzing. Elle a pour principe de tester un logiciel ou un syst\u00e8me sous les angles les plus divers, les plus impr\u00e9visibles et tenter ainsi de rep\u00e9rer des failles potentielles avant qu\u2019elles ne puissent \u00eatre exploit\u00e9es de mani\u00e8re nuisible. Un syst\u00e8me, [&hellip;]<\/p>\n","protected":false},"author":83,"featured_media":263101,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2498],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fuzzing : Qu&#039;est-ce que c&#039;est ? Comment l&#039;utiliser ?<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez le fuzzing, une m\u00e9thode de test essentielle pour d\u00e9tecter les failles de s\u00e9curit\u00e9. 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