lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <55EB1D0B.7030706@upv.es> Date: Sat, 5 Sep 2015 18:49:15 +0200 From: Hector Marco-Gisbert <hecmargi@....es> To: fulldisclosure@...lists.org, bugs@...uritytracker.com, bugtraq@...urityfocus.com Subject: [FD] Glibc Pointer guarding weakness Hello, A weakness in the dynamic loader have been found, Glibc prior to 2.22.90 are affected. The issue is that the LD_POINTER_GUARD in the environment is not sanitized allowing local attackers easily to bypass the pointer guarding protection on set-user-ID and set-group-ID programs. Details and PoC at: http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html A patch is already sent to Glibc maintainers. This issue is similar to http://hmarco.org/bugs/CVE-2013-4788.html but now affect to dynamic linked applications. -- Hector Marco-Gisbert @ http://hmarco.org/ Cyber Security Researcher @ http://cybersecurity.upv.es Universitat Politècnica de València (Spain) _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
Powered by blists - more mailing lists