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CVE-2014-1562: Mozilla Firefox: Memory corruption

CVE-2014-1562 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

Unspecified vulnerability in the browser engine in Mozilla Firefox before 32.0, Firefox ESR 24.x before 24.8 and 31.x before 31.1, and Thunderbird 24.x before 24.8 and 31.x before 31.1 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown 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: 24.0; 24.0.1; 24.0.2; 24.1.0; 24.1.1; 31.0; up to and including 31.1.0; 30.0
Mozilla Firefox Esr: 24.2; 24.3; 24.4; 24.5; 24.6; 24.7
Mozilla Thunderbird: 24.0; 24.0.1; 24.1; 24.1.1; 24.2; 24.3; 24.4; 24.5; 24.6; 24.7; 31.0