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iDEFENSE Security Advisory 2011-06-14.2
Posted Jun 18, 2011
Authored by iDefense Labs, Luigi Auriemma | Site idefense.com

iDefense Security Advisory 06.14.11 - Remote exploitation of a heap overflow vulnerability in Adobe Systems Inc.'s Shockwave could allow an attacker to execute arbitrary code with the privileges of the current user. This vulnerability occurs when Shockwave processes a maliciously constructed "DRCF" chunk. Specifically, when parsing a substructure inside of this chunk, it is possible to trigger a code path that leads to an incorrect string copy operation. The vulnerable code performs a certain operation on a heap-based buffer, which has the effect of overwriting the NULL terminator of the string in the middle of the copy operation. This will lead to an endless copy loop until the read operation hits the end of the memory segment. This operation writes beyond the allocated heap buffer, and can lead to the execution of arbitrary code. Shockwave Player version 11.5.9.620 and prior are vulnerable.

tags | advisory, remote, overflow, arbitrary
advisories | CVE-2011-0335
SHA-256 | 3b0ec1fef75086d0e796f5ce1dea0706958798bc9b403f2258059ba1d3e7612f

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