[Full-disclosure] TPTI-07-21: Adobe Flash Player JPG Processing Heap Overflow Vulnerability
- From: tsrt@xxxxxxxx
- Date: Wed, 19 Dec 2007 13:11:17 -0800
TPTI-07-21: Adobe Flash Player JPG Processing Heap Overflow Vulnerability
December 19, 2007
-- CVE ID:
-- Affected Vendor:
-- Affected Products:
-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers are protected against this
vulnerability by Digital Vaccine protection filter ID 5846.
For further product information on the TippingPoint IPS:
-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
systems with vulnerable installations of the Adobe Flash 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 in the Flash Player's parsing of JPG images
embedded in SWF files. The Flash Player trusts the signed X and Y
densities specified in the JPG header and makes memory allocations
accordingly. A processing loop later treats these values as unsigned,
leading to excessive loop iterations and heap corruption while decoding
the rest of the image.
-- Vendor Response:
-- Disclosure Timeline:
2007.11.02 - Vulnerability reported to vendor
2007.12.19 - Coordinated public release of advisory
This vulnerability was discovered by Aaron Portnoy, TippingPoint DVLabs.
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