[oCERT-2015-009] VLC arbitrary pointer dereference

From: Andrea Barisani <lcars@ocert.org>
To: oss-security@lists.openwall.com,ocert-announce@lists.ocert.org,bugtraq@securityfocus.com
Cc:
Subject: [oCERT-2015-009] VLC arbitrary pointer dereference
Date:



#2015-009 VLC arbitrary pointer dereference

Description:

The VLC media player is an open source media player and streaming media
server.

The stable VLC version suffers from an arbitrary pointer dereference
vulnerability.

The vulnerability affects the 3GP file format parser, insufficient
restrictions on a writable buffer can be exploited to execute arbitrary code
via the heap memory. A specific 3GP file can be crafted to trigger the
vulnerability.

Affected version:
  VLC <= 2.2.1

Fixed version:
  VLC, N/A (see References for patch committed to 2.2.2 branch)

Credit: vulnerability reported by Loren Maggiore of Trail of Bits.

CVE: CVE-2015-5949

Timeline:

2015-07-28: vulnerability report received
2015-07-29: contacted VLC security maintainer
2015-08-03: maintainer commits fix to stable branch
2015-08-06: assigned CVE
2015-08-17: contacted affected vendors
2015-08-20: advisory release

References:
https://git.videolan.org/?p=vlc/vlc-2.2.git;a=commitdiff;h=ce91452460a75d7424b165c4dc8db98114c3cbd9;hp=9e12195d3e4316278af1fa4bcb6a705ff27456fd

Permalink:
http://www.ocert.org/advisories/ocert-2015-009.html

-- 
Andrea Barisani |                Founder & Project Coordinator
          oCERT | OSS Computer Security Incident Response Team

<lcars@ocert.org>                         http://www.ocert.org
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        "Pluralitas non est ponenda sine necessitate"





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