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[ GLSA 201406-06 ] Mumble: Multiple vulnerabilities
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PostPosted: Fri Jun 06, 2014 1:26 pm    Post subject: [ GLSA 201406-06 ] Mumble: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: Mumble: Multiple vulnerabilities (GLSA 201406-06)
Severity: high
Exploitable: remote
Date: June 06, 2014
Bug(s): #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: media-sound/mumble
Vulnerable: < 1.2.6
Unaffected: >= 1.2.6
Architectures: 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:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=media-sound/mumble-1.2.6"
   


References

CVE-2014-0044
CVE-2014-0045
CVE-2014-3755
CVE-2014-3756
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