It looks like there is a fairly serious vulnerability in some of the popular media player packages out in the wild packaged as a MP4 file (due to the MP4 codec from 3ivx), it effects Windows Media Player 6.4 and Windows Media Player Classic, which are made by Microsoft, and AOL’s Winamp version 3.5.
Security researchers are warning that popular media players offered by Microsoft and AOL are vulnerable to attacks that can completely compromise a user’s PC.
Attack code has already been released for the bug, which has been confirmed in a codec used by older versions of Windows Media Player, made by Microsoft, and in AOL’s Winamp. A Symantec researcher has warned that users of other players may also be at risk because the vulnerability itself resides in a commonly used MP4 codec produced by a company called 3ivx Technologies.
“The exploit works by supplying victims with a maliciously formed MP4 file,” Raymond Ball wrote for Symantec’s DeepSight Threat Management System. “When a victim unknowingly clicks a link that appears safe, the MP4 content is delivered, causing the exploit to run.”
At least it’s not Microsoft’s fault this time, but they did use a dodgy codec so I guess some of the blame lays with them right?
They could have checked it out properly before bundling it into their software.
A researcher who goes by the name SYS 49152 released exploit code here, here and here that targets Windows Media Player 6.4 and Windows Media Player Classic, which are made by Microsoft, and AOL’s Winamp version 3.5. Each uses the 3ivx MP4 codec, which is vulnerable to a stack overflow.
Secunia describes the Windows Media Player vulnerabilities as “highly critical,” the second-highest rating on Secunia’s five-tier scale. The vulnerability reporting service didn’t have a rating for the Winamp vulnerability.
No patch is available. Ball recommends users remove the codec or disable media players that use the MP4 codec until the hole is plugged. That strikes us as overkill. Taking care not to click on suspicious links in browsers and email programs should suffice.
So watch out, attack vectors are getting more varied – don’t let your guard down during this merry season.
Source: The Register
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