Quantum Secular Labs / Blog / Advisories

CVE-2007-2967: F Secure Anti Virus: Denial of service

CVE-2007-2967 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects F Secure Anti Virus, along with 6 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

Multiple F-Secure anti-virus products for Microsoft Windows and Linux before 20070522 allow remote attackers to cause a denial of service (file scanning infinite loop) via certain crafted (1) ARJ archives or (2) FSG packed files.

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.

Underlying weakness

CWE-20: Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected products

F Secure Anti Virus: up to and including 4.65; up to and including 5.42; up to and including 5.44; up to and including 5.52; up to and including 5.61; up to and including 6.40; 2005; 2006; 2007
F Secure Anti Virus Client Security: up to and including 6.03
F Secure Anti Virus Linux Client Security: up to and including 5.30
F Secure Anti Virus Linux Server Security: up to and including 5.30
F Secure Internet Security: 2005; 2006; 2007
F Secure Protection Service: up to and including 6.40
F Secure Internet Gatekeeper: up to and including 2.16; up to and including 6.60