Quantum Secular Labs / Blog / Advisories

CVE-2011-2363: Mozilla Seamonkey: Use after free

CVE-2011-2363 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 nsSVGPointList::AppendElement function in the implementation of SVG element lists in Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors involving a user-supplied callback.

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