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VLC 2.2.1 Arbitrary Pointer Dereference

VLC 2.2.1 Arbitrary Pointer Dereference
Posted Aug 23, 2015
Authored by Andrea Barisani, Open Source CERT, Loren Maggiore

VLC versions 2.2.1 and below suffer from an arbitrary pointer dereference vulnerability.

tags | advisory, arbitrary
advisories | CVE-2015-5949
MD5 | b675d1c081b164ab9ed97daca168dffd

VLC 2.2.1 Arbitrary Pointer Dereference

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#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
0x864C9B9E 0A76 074A 02CD E989 CE7F AC3F DA47 578E 864C 9B9E
"Pluralitas non est ponenda sine necessitate"
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