GLSA 201402-10: PulseAudio: Insecure temporary file usage
| Severity: | normal |
| Title: | PulseAudio: Insecure temporary file usage |
| Date: | 02/07/2014 |
| Bugs: | |
| 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 | Architecture(s) |
|---|---|---|---|
| media-sound/pulseaudio | < 0.9.22 | >= 0.9.22 | All supported architectures |
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
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
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 2010 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.