Quantum Secular Labs / Blog / Advisories

CVE-2009-3955: Adobe Acrobat: Memory corruption

CVE-2009-3955 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Adobe Acrobat, along with 1 other product 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

Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a crafted JPC_MS_RGN marker in the Jp2c stream of a JpxDecode encoded data stream, which triggers an integer sign extension that bypasses a sanity check, leading to memory corruption.

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

  • Adobe Acrobat: up to and including 9.2; 3.0; 3.1; 4.0; 4.0.5; 4.0.5a; 4.0.5c; 5.0; 5.0.5; 5.0.6; 5.0.10; 6.0
  • Adobe Acrobat Reader: up to and including 9.2; 3.0; 3.01; 3.02; 4.0; 4.0.5; 4.0.5a; 4.0.5c; 4.5; 5.0; 5.0.5; 5.0.6

References