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CVE-2013-1678: Mozilla Firefox: Remote code execution

CVE-2013-1678 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Mozilla Firefox. 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

The _cairo_xlib_surface_add_glyph function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (invalid write operation) via unspecified vectors.

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

Mozilla Firefox: up to and including 20.0.1; 19.0; 19.0.1; 19.0.2; 20.0; 17.0; 17.0.1; 17.0.2; 17.0.3; 17.0.4; 17.0.5
Mozilla Thunderbird: up to and including 17.0.5; 17.0; 17.0.1; 17.0.2; 17.0.3; 17.0.4
Mozilla Thunderbird Esr: 17.0; 17.0.1; 17.0.2; 17.0.3; 17.0.4; 17.0.5