GLSA 201406-06: Mumble: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	Mumble: Multiple vulnerabilities
Date:	06/06/2014
Bugs:	#500486, #510380
ID:	201406-06

Synopsis

Multiple vulnerabilities have been found in Mumble, the worst of which could lead to arbitrary code execution.

Background

Mumble is low-latency voice chat software intended for use with gaming.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
media-sound/mumble	< 1.2.6	>= 1.2.6	All supported architectures

Description

Multiple vulnerabilities have been discovered in Mumble:

A crafted length prefix value can trigger a heap-based buffer overflow or NULL pointer dereference in the opus_packet_get_samples_per_frame function (CVE-2014-0044)
A crafted packet can trigger an error in the opus_decode_float function, leading to a heap-based buffer overflow (CVE-2014-0045)
A crafted SVG referencing local files can lead to resource exhaustion or hangs (CVE-2014-3755)
Mumble does not properly escape HTML in some external strings before displaying them (CVE-2014-3756)

Impact

A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Mumble users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=media-sound/mumble-1.2.6"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201406-06.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.