Quantum Secular Labs / Blog / Advisories

CVE-2012-1967: Mozilla Firefox: Remote code execution

CVE-2012-1967 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Mozilla Firefox. 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

Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 do not properly implement the JavaScript sandbox utility, which allows remote attackers to execute arbitrary JavaScript code with improper privileges via a javascript: URL.

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 Firefox: 4.0; 4.0 beta1; 4.0 beta10; 4.0 beta11; 4.0 beta12; 4.0 beta2; 4.0 beta3; 4.0 beta4; 4.0 beta5; 4.0 beta6; 4.0 beta7; 4.0 beta8
  • Mozilla Thunderbird: 5.0; 6.0; 6.0.1; 6.0.2; 7.0; 7.0.1; 8.0; 9.0; 9.0.1; 10.0; 10.0.1; 10.0.2
  • Mozilla Thunderbird Esr: 10.0; 10.0.1; 10.0.2; 10.0.3; 10.0.4; 10.0.5
  • Mozilla Seamonkey: up to and including 2.10; 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

References