Quantum Secular Labs / Blog / Advisories

CVE-2008-2051: The escapeshellcmd API function in PHP before 5.2.6 has unknown impact and context-dependent attack vectors…

CVE-2008-2051 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects PHP. 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 escapeshellcmd API function in PHP before 5.2.6 has unknown impact and context-dependent attack vectors related to "incomplete multibyte chars."

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

  • PHP: up to and including 5.2.5; 5.0.0 beta1; 5.0.0 beta2; 5.0.0 beta3; 5.0.0 beta4; 5.0.0 rc1; 5.0.0 rc2; 5.0.0 rc3; 5.0.1; 5.0.2; 5.0.3; 5.0.4

References