Quantum Secular Labs / Blog / Advisories

CVE-2007-4351: Cups: Buffer overflow

CVE-2007-4351 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Cups. 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

Off-by-one error in the ippReadIO function in cups/ipp.c in CUPS 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted (1) textWithLanguage or (2) nameWithLanguage Internet Printing Protocol (IPP) tag, leading to a stack-based buffer overflow.

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

  • Cups: up to and including 1.3.3

References