Multiple Mozilla products are prone to an overflow condition. The gfxImageSurface class fails to properly sanitize user-supplied input resulting in a heap-based buffer overflow. With a specially crafted graphic value, a remote attacker can potentially execute arbitrary code.
Classification
Location:
Remote / Network Access,
Context Dependent
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Upgrade
Exploit:
Exploit Private
Disclosure:
Vendor Verified,
Coordinated Disclosure
OSVDB:
Web Related
Solution
Upgrade Firefox and Thunderbird to version 12.0 or higher (10.0.4 for ESR) and SeaMonkey to version 2.9 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
