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Message-Id: <D6B7941C-4F10-4FC3-81BE-C8E4DC277DD6@trailofbits.com>
Date: Thu, 20 Aug 2015 17:27:57 -0400
From: Loren <loren@...ilofbits.com>
To: oss-security@...ts.openwall.com
Subject: Re: [oCERT-2015-009] VLC arbitrary pointer dereference
POC for oCERT#2015-009 VLC arbitrary pointer dereference
Running VLC v2.2.1 with sample_crash causes a segmentation fault on 0xccddeeff, an address read in from 0x1b6e6 in the sample_crash file. After this address is freed, vlc then attempts to free the next four bytes in the file, 0x1122331e.
This data can be changed in the sample_crash file to free two arbitrary addresses.
sample_crash : http://s000.tinyupload.com/?file_id=94915905821495818830 <http://s000.tinyupload.com/index.php?file_id=94915905821495818830>
-Loren Maggiore
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