A vulnerability has been discovered in avast! Antivirus, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to the application loading libraries (e.g. dwmapi.dll) in an insecure manner. This can be exploited to load arbitrary libraries by tricking a user into e.g. opening an avast! license file (*.avastlic) located on a remote WebDAV or SMB share.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in avast! Free Antivirus version 5.0.594 for Windows. Other versions may also be affected.
Solution: Update to version 5.0.677.
Provided and/or discovered by: Bruno Filipe
Original Advisory: Avast!:
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