WinAmp Skin Flaw Patched

America Online’s Nullsoft division has released a
patch to fix a vulnerability in the popular skinning feature in its
WinAmp media player.

Just days after security researchers warned
a zero-day exploit was circulating in the wild, Nullsoft released WinAmp
5.05 to modify the way the skin installer mechanism works.

According to the Nullsoft advisory,
WinAmp will now prompt all users with a confirmation window before
installing any skins and will only extract files considered low risk
before loading a WinAmp skin.

The flaw, rated “extremely critical” by network security firm Secunia, affects WinAmp
versions 3.0, 5.0 and 5.0 Pro.

An active exploit, which has been spreading on Internet Relay Chat (IRC)
networks, is being used to forcefully install spyware
and Trojans on infected systems.

WinAmp skins have a huge following because they allow users to adopt
colorful, customizable and interchangeable sets of graphics that change
the look and feel of the software.

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