CVE-2009-1894 Information

Description

Race condition in PulseAudio 0.9.9 0.9.10 and 0.9.14 allows local users to gain privileges via vectors involving creation of a hard link related to the application setting LD_BIND_NOW to 1 and then calling execv on the target of the /proc/self/exe symlink.

Reference

http://blog.cr0.org/2009/07/old-school-local-root-vulnerability-in.html http://secunia.com/advisories/35868 http://secunia.com/advisories/35886 http://secunia.com/advisories/35896 http://security.gentoo.org/glsa/glsa-200907-13.xml http://taviso.decsystem.org/research.html http://www.akitasecurity.nl/advisory.php?id=AK20090602 http://www.debian.org/security/2009/dsa-1838 http://www.mandriva.com/security/advisories?name=MDVSA-2009:152 http://www.mandriva.com/security/advisories?name=MDVSA-2009:171 http://www.securityfocus.com/archive/1/505052/100/0/threaded http://www.securityfocus.com/bid/35721 http://www.ubuntu.com/usn/usn-804-1 https://admin.fedoraproject.org/updates/pulseaudio-0.9.10-1.el5.2 https://bugzilla.redhat.com/show_bug.cgi?id=510071 https://exchange.xforce.ibmcloud.com/vulnerabilities/51804