Quantum Secular Labs / Blog / Advisories

CVE-2008-5017: Mozilla Firefox: Buffer overflow

CVE-2008-5017 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Mozilla Firefox, along with 2 other products in NVD’s configuration data. 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

Integer overflow in xpcom/io/nsEscape.cpp in the browser engine in Mozilla Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) via unknown vectors.

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: from 2.0 before 2.0.0.18; from 3.0 before 3.0.4
  • Mozilla Seamonkey: from 1.0 before 1.1.13
  • Mozilla Thunderbird: from 2.0 before 2.0.0.18
  • Debian Linux: 4.0
  • Canonical Ubuntu Linux: 6.06; 7.10; 8.04; 8.10

References