Quantum Secular Labs / Blog / Advisories

CVE-2007-1006: Ekiga: Code execution

CVE-2007-1006 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Ekiga. 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 format string vulnerabilities in the gm_main_window_flash_message function in Ekiga before 2.0.5 allow attackers to cause a denial of service and possibly execute arbitrary code via a crafted Q.931 SETUP packet.

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-134: Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

Affected products

Ekiga: up to and including 2.0.4