{"id":289,"date":"2006-07-14T11:31:18","date_gmt":"2006-07-14T11:31:18","guid":{"rendered":"https:\/\/www.darknet.org.uk\/2006\/07\/linux-kernel-26x-prctl-core-dump-handling-local-r00t-exploit-bid-18874-cve-2006-2451\/"},"modified":"2015-09-09T19:43:48","modified_gmt":"2015-09-09T11:43:48","slug":"linux-kernel-26x-prctl-core-dump-handling-local-r00t-exploit-bid-18874-cve-2006-2451","status":"publish","type":"post","link":"https:\/\/www.darknet.org.uk\/2006\/07\/linux-kernel-26x-prctl-core-dump-handling-local-r00t-exploit-bid-18874-cve-2006-2451\/","title":{"rendered":"Linux Kernel 2.6.x PRCTL Core Dump Handling &#8211; Local r00t Exploit ( BID 18874 \/ CVE-2006-2451 )"},"content":{"rendered":"<p>[ad]<\/p>\n<p>A working version of the exploit used to escalate privileges to root in the <a href=\"https:\/\/www.darknet.org.uk\/2006\/07\/debian-development-machine-gluck-hacked\/\">recent Debian breakin<\/a>, ah another root kernel exploit.<\/p>\n<p>It&#8217;s to do with the way the kernel handles file permissions (or lack of) on core dumps.<\/p>\n<p>Linux kernel is prone to a local privilege-escalation vulnerability.<\/p>\n<p>A local attacker may gain elevated privileges by creating a coredump file in a directory that they do not have write access to.<\/p>\n<p>A successful attack may result in a complete compromise.<\/p>\n<p>Linux kernel versions prior to 2.6.17.4 are vulnerable.<\/p>\n<p><code>\/*****************************************************\/<br \/>\n\/* Local r00t Exploit for:                           *\/<br \/>\n\/* Linux Kernel PRCTL Core Dump Handling             *\/<br \/>\n\/* ( BID 18874 \/ CVE-2006-2451 )                     *\/<br \/>\n\/* Kernel 2.6.x  (>= 2.6.13 && < 2.6.17.4)           *\/\n\/* By:                                               *\/\n\/* - dreyer    <luna@aditel.org>   (main PoC code)   *\/<br \/>\n\/* - RoMaNSoFt <roman@rs-labs.com> (local root code) *\/<br \/>\n\/*                                  [ 10.Jul.2006 ]  *\/<br \/>\n\/*****************************************************\/<\/p>\n<p>#include stdio.h<br \/>\n#include sys\/time.h<br \/>\n#include sys\/resource.h<br \/>\n#include unistd.h<br \/>\n#include linux\/prctl.h<br \/>\n#include stdlib.h<br \/>\n#include sys\/types.h<br \/>\n#include signal.h<\/code><\/p>\n<p>You can download it here:<\/p>\n<p><!--adsense#New468--><\/p>\n<p><a href=\"https:\/\/www.darknet.org.uk\/content\/files\/rs_prctl_kernel.c\">Linux Kernel 2.6.x PRCTL Core Dump Handling Exploit<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad] A working version of the exploit used to escalate privileges to root in the recent Debian breakin, ah another root kernel exploit. It&#8217;s to do with the way the kernel handles file permissions (or lack of) on core dumps. Linux kernel is prone to a local privilege-escalation vulnerability. A local attacker may gain elevated [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[10,6],"tags":[37,353,8859,866,57],"featured_image_src":null,"featured_image_src_square":null,"author_info":{"display_name":"Darknet","author_link":"https:\/\/www.darknet.org.uk\/author\/darknet\/"},"_links":{"self":[{"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/posts\/289"}],"collection":[{"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/comments?post=289"}],"version-history":[{"count":0,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/posts\/289\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/media?parent=289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/categories?post=289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/tags?post=289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}