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CVE-2015-2738: The YCbCrImageDataDeserializer::ToDataSourceSurface function in the YCbCr implementation in Mozilla Firefox…

CVE-2015-2738 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Mozilla Firefox, along with 7 other products in NVD’s configuration data. 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 YCbCrImageDataDeserializer::ToDataSourceSurface function in the YCbCr implementation in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 reads data from uninitialized memory locations, which has unspecified impact and attack 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.

Affected products

  • Mozilla Firefox: up to and including 38.1.0; 31.0; 31.1.0; 31.1.1; 31.3.0; 31.5.1; 31.5.2; 31.5.3; 38.0
  • Mozilla Firefox Esr: 31.1; 31.2; 31.3; 31.4; 31.5; 31.6.0; 31.7.0
  • Mozilla Thunderbird: up to and including 38.0.1
  • Canonical Ubuntu Linux: 12.04; 14.04; 14.10; 15.04
  • Suse Linux Enterprise Desktop: 12
  • Suse Linux Enterprise Server: 11 sp4
  • Suse Linux Enterprise Software Development Kit: 12
  • Suse Linux Enterprise Server: 12
  • Debian Linux: 7.0; 8.0
  • Oracle Solaris: 11.3

References