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List: full-disclosure
Subject: Re: [Full-disclosure] Microsoft Windows default ZIP handler bug
From: Nicolas RUFF <nicolas.ruff () gmail ! com>
Date: 2007-10-31 8:10:53
Message-ID: 4728388D.7010602 () gmail ! com
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> However, I put together a Flash video showing the bug. It may not be
> exploitable, but I also haven't been keeping up with the latest bad
> pointer / alternate code path research stuff. Maybe someone can do
> some ninjitsu code exec using this...
Hello,
I had a quick look with SysInternals' ProcMon.
Given a B.ZIP file inside an A.ZIP file, the sequence is roughly the
following:
- User clicks on A.ZIP
- Explorer opens A.ZIP and extracts content into a temporary "A" directory
- User clicks on B.ZIP inside A.ZIP
- Explorer opens B.ZIP and extracts content into a temporary "B" directory
- Since A.ZIP is no longer referenced, temporary directory "A" is deleted
- User clicks "back"
- "A" directory not found, explorer closing
I feel you'll have a hard time trying to control EIP ;)
Regards,
- Nicolas RUFF
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