06 November 2012
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AUSCERT External Security Bulletin Redistribution
A vulnerability has been fixed in VLC
6 November 2012
AusCERT Security Bulletin Summary
Product: VLC media player
Publisher: The VideoLAN Project
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote with User Interaction
CVE Names: CVE-2012-5470
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Security Advisory 1203
Summary : Buffer overflow in PNG decoder
Date : October 2012
Affected versions : VLC media player 2.0.3 and earlier
ID : VideoLAN-SA-1203
CVE reference : CVE-2012-5470
When parsing an invalid PNG image file, a buffer overflow might occur.
If successful, a malicious third party could trigger an invalid memory access,
leading to a crash of the process of the VLC media player.
Because the overflow occurs while reading a buffer, rather than writing, it is
believed that this issue cannot lead to arbitrary code execution.
Exploitation of this issue requires the user to explicitly open a specially
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 PNG decoder plugin (libpng_plugin.*) can be removed manually
from the VLC plugin installation directory. This will prevent decoding of PNG
VLC media player 2.0.4 addresses this issue. Patches for older versions are
available from the official VLC source code repository 2.0 and 1.1 branches.
The VideoLAN project
VLC official GIT repository
14 October 2012
Patch for VLC development version.
15 October 2012
VLC media player 2.0.4 released.
2 November 2012
Security advisory published.
3 November 2012
Security advisory updated.
on behalf of the VideoLAN project
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