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[ GLSA 201402-10 ] PulseAudio: Insecure temporary file usage
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PostPosted: Fri Feb 07, 2014 10:26 pm    Post subject: [ GLSA 201402-10 ] PulseAudio: Insecure temporary file usage Reply with quote

Gentoo Linux Security Advisory

Title: PulseAudio: Insecure temporary file usage (GLSA 201402-10)
Severity: normal
Exploitable: local
Date: February 07, 2014
Bug(s): #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: media-sound/pulseaudio
Vulnerable: < 0.9.22
Unaffected: >= 0.9.22
Architectures: 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:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=media-sound/pulseaudio-0.9.22"
   


References

CVE-2009-1299
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