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CVE-2008-4867: Ffmpeg: Buffer overflow

CVE-2008-4867 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Ffmpeg. 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

Buffer overflow in libavcodec/dca.c in FFmpeg 0.4.9 before r14917, as used by MPlayer, allows context-dependent attackers to have an unknown impact via vectors related to an incorrect DCA_MAX_FRAME_SIZE value.

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

Ffmpeg: up to and including 0.4.9; 0.3; 0.3.1; 0.3.2; 0.3.3; 0.3.4; 0.4.0; 0.4.2; 0.4.3; 0.4.4; 0.4.5; 0.4.6