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Grabit <= 1.7.2 beta 3 NZB file parsing stack overflow
Impact: Remote code execution
Version: <= 1.7.2 beta 3
Description
Grabit is a popular Windows usenet client designed for downloading
binary files. It has support for NZB files, which a user would usually
acquire from an external source. Version 1.7.2 beta 3 is vulnerable to a
stack overflow when parsing DTD references in NZB files. Earlier
versions are vulnerable as well. Reliable exploitation is pretty
straightforward.
Fix
I reported this to the author a while ago. He has now released version
1.7.2 beta 4, which fixes the bug. It can be downloaded at
http://www.shemes.com/
Best regards,
Niels Teusink
http://blog.teusink.net/
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