- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201402-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: PulseAudio: Insecure temporary file usage Date: February 07, 2014 Bugs: #313329 ID: 201402-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== An insecure temporary file usage has been reported in PulseAudio, possibly allowing symlink attacks. Background ========== PulseAudio is a sound system for POSIX OSes. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-sound/pulseaudio < 0.9.22 >= 0.9.22 Description =========== The pa_make_secure_dir function in core-util.c does not handle temporary files securely. Impact ====== A local attacker could perform symlink attacks to overwrite arbitrary files with the privileges of the user running the application. Workaround ========== There is no known workaround at this time. Resolution ========== All PulseAudio users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-sound/pulseaudio-0.9.22" References ========== [ 1 ] CVE-2009-1299 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-1299 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201402-10.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2014 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5