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CVE-2010-2879

Status Candidate

Overview

Multiple integer overflows in the allocator in the TextXtra.x32 module in Adobe Shockwave Player before 11.5.8.612 allow remote attackers to cause a denial of service (heap memory corruption) or execute arbitrary code via a crafted (1) element count or (2) element size value in a file.

Related Files

Adobe Shockwave TextXtra Allocator Integer Overflow Remote Code Execution
Posted Aug 26, 2010
Authored by Aaron Portnoy, Logan Brown, Team Montreal Hotties | Site dvlabs.tippingpoint.com

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Shockwave Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists due to a faulty allocation routine within the TextXtra.x32 module. This allocator allocates a buffer on the heap based on arithmetic involving a number of elements and a size of an individual element. As the fields come from the file, if either of them are large enough, the value used for the number of bytes to allocate can be made to overflow. As the return value is rarely checked any caller of this function can usually be made to overflow the returned buffer with user-supplied data. An attacker can leverage this to execute remote code under the context of the user running the browser.

tags | advisory, remote, overflow, arbitrary
advisories | CVE-2010-2879
SHA-256 | 4a81213c5116b85cea84b6f555ccca604792fb22767b6dc4fdeb0994c35e2ed6
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