Quantum Secular Labs / Blog / Advisories

CVE-2007-0236: Apple Mac OS X: Buffer overflow

CVE-2007-0236 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Apple Mac OS X. 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

Double free vulnerability in the _ATPsndrsp function in Apple Mac OS X 10.4.8, and possibly other versions, allows remote attackers to cause a denial of service (kernel panic) and possibly execute arbitrary code via a crafted AppleTalk request that 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.

Underlying weakness

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.

Affected products

Apple Mac OS X: 10.4.8