Adobe Flash Player JPG Processing Heap Overflow VulnerabilityTPTI-07-21: December 19th, 2007
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5846. For further product information on the TippingPoint IPS:
Vulnerability DetailsThis 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 ResponseAdobe has issued an update to correct this vulnerability. More details can be found at:
2007-11-02 - Vulnerability reported to vendor
2007-12-19 - Coordinated public release of advisory