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When Orb is first installed it registers several Direct Show filters with the system. When registered these filters are then called whenever a file which has a dependency on such a required filter is accessed. By specially crafting specific headers embedded into an mp3 file we can create a direct code path to code which is vulnerable to a integer division by zero. This vulnerability can be triggered remotely be embedding the crafted mp3 file into HTML. It is also not dependent on a certain media player. Attached is a PoC (Proof-Of-Concept) I wrote for this specific bug. Also included is a Rebuild file for IDA Pro examining the crash. Download POC: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/33707.zip (aac_parser_int_div_by_0_orb.zip) Timeline: Discovery * 2/20/2010 Reported * 2/22/2010 Response * 2/22/2010 Additional Info Sent * 2/23/2010 Response * 2/23/2010 Response * 2/26/2010 Crash Confirmed * 3/03/2010 Patch date: Approx. 2 weeks Expected: 3/19/2010 |
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