Quantum Secular Labs / Blog / Advisories

CVE-2008-2811: Mozilla Firefox: Buffer overflow

CVE-2008-2811 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

The block reflow implementation in Mozilla Firefox before 2.0.0.15, Thunderbird 2.0.0.14 and earlier, and SeaMonkey before 1.1.10 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via an image whose display requires more pixels than nscoord_MAX, related to nsBlockFrame::DrainOverflowLines.

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: up to and including 2.0.0.14; 2.0; 2.0.0.1; 2.0.0.2; 2.0.0.3; 2.0.0.4; 2.0.0.5; 2.0.0.6; 2.0.0.7; 2.0.0.8; 2.0.0.9; 2.0.0.10
  • Mozilla Seamonkey: up to and including 1.1.9; 1.1; 1.1.2; 1.1.3; 1.1.4; 1.1.5; 1.1.6; 1.1.7; 1.1.8
  • Mozilla Thunderbird: up to and including 2.0.0.14; 2.0.0.0; 2.0.0.1; 2.0.0.2; 2.0.0.3; 2.0.0.4; 2.0.0.5; 2.0.0.6; 2.0.0.8; 2.0.0.9; 2.0.0.11; 2.0.0.12

References