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AUSCERT External Security Bulletin Redistribution
A vulnerability has been identified in VLC media player
31 January 2013
AusCERT Security Bulletin Summary
Product: VLC media player
Publisher: The VideoLAN Project
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
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Security Advisory 1302
Summary : Buffer Overflow in ASF Demuxer
Date : January 2013
Affected versions : VLC media player 2.0.5 and earlier
ID : VideoLAN-SA-1302
CVE reference : CVE-XXXX-XXXX
When parsing a specially crafted ASF movie, a buffer overflow might occur.
If successful, a malicious third party could trigger an invalid memory access,
leading to a crash of VLC media player's process. In some cases attackers might
exploit this issue to execute arbitrary code within the context of the
application but this information is not confirmed.
Exploitation of this issue requires the user to explicitly open a specially
crafted ASF movie.
The user should refrain from opening files from untrusted third parties or
accessing untrusted remote sites (or disable the VLC browser plugins), until
the patch is applied.
Alternatively, the ASF demuxer (libasf_plugin.*) can be removed manually from
the VLC plugin installation directory. This will prevent ASF movie playback.
This issue is addressed in VLC media player 2.0.x source code repository by
replacing a macro with a static inline and improved bounds checking.
This patch is included in VLC's future 2.0.6 release.
Windows and Mac OS X builds can be found on the VideoLAN nightlies website.
This vulnerability was reported by Debasish Mandal.
The VideoLAN project
VLC official GIT repository
xx Jan 2013
VLC media player 2.0.6 release.
17 Jan 2013
Nightly builds version of VLC 2.0.6 released for testing purposes.
17 Jan 2013
Patch for VLC media player committed to the source code repository, and to
the stable branch.
11 Jan 2013
Crash reported to the VLC project.
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