Trixter Jack has reported a vulnerability in the Xvid library, which can be exploited by malicious people to compromise an application using the library.
The vulnerability is caused due to an array indexing error in the "get_intra_block()" function within src/bitstream/mbcoding.c while processing Xvid Avi files. This can be exploited to corrupt memory via a specially crafted file.
Successful exploitation may allow execution of arbitrary code.
The vulnerability reportedly also affects the "get_inter_block_h263()" and "get_inter_block_mpeg()" functions.
The vulnerability is reported in version 1.1.2. Prior versions may also be affected.
Solution: Update to version 1.1.3.
Provided and/or discovered by: Trixter Jack
Original Advisory: Xvid:
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Subject: Xvid Avi File Parsing Array Indexing Vulnerability
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