pyrokinesis has discovered a vulnerability in Pinnacle Hollywood FX, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to an input validation error in InstallHFZ.exe when opening Hollywood FX archives (".hfz"). This can be exploited to write files to arbitrary directories via archives containing directory traversal sequences in the compressed filename.
The vulnerability is confirmed in version InstallHFZ.exe version 22.214.171.124. Other versions may also be affected.
Solution: Do not open untrusted ".hfz" files.
Provided and/or discovered by: pyrokinesis, Nine Situations Group
Original Advisory: http://milw0rm.com/exploits/8670
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Subject: Pinnacle Hollywood FX Archive Handling Directory Traversal
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