Quantum Secular Labs / Blog / Advisories

CVE-2008-0318: Clam Anti Virus Clamav: Buffer overflow

CVE-2008-0318 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Clam Anti Virus Clamav. 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 the cli_scanpe function in libclamav in ClamAV before 0.92.1, as used in clamd, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted Petite packed PE file, which triggers a heap-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

  • Clam Anti Virus Clamav: up to and including 0.92

References