Quantum Secular Labs / Blog / Advisories

CVE-2011-0085: Mozilla Seamonkey: Use after free

CVE-2011-0085 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Mozilla Seamonkey. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Use-after-free vulnerability in the nsXULCommandDispatcher function in Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to execute arbitrary code via a crafted XUL document that dequeues the current command updater.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access vector: Network. Exploitable remotely over the network.
  • Access complexity: Low. No special conditions are required.
  • Authentication: None. No authentication is needed.
  • Confidentiality impact: Complete. Total information disclosure.
  • Integrity impact: Complete. Total loss of integrity.
  • Availability impact: Complete. Total shutdown of the component.

Affected products

  • Mozilla Seamonkey: 1.0; 1.0 alpha; 1.0 beta; 1.0.1; 1.0.2; 1.0.3; 1.0.4; 1.0.5; 1.0.6; 1.0.7; 1.0.8; 1.0.9
  • Mozilla Firefox: up to and including 3.6.17; 1.0; 1.0 preview_release; 1.0.1; 1.0.2; 1.0.3; 1.0.4; 1.0.5; 1.0.6; 1.0.7; 1.0.8; 1.5
  • Mozilla Thunderbird: up to and including 3.1.10; 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.7.1; 0.7.2; 0.7.3; 0.8

References