Quantum Secular Labs / Blog / Advisories

CVE-2000-0506: Linux Kernel: Privilege escalation

CVE-2000-0506 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Linux Kernel. 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 "capabilities" feature in Linux before 2.2.16 allows local users to cause a denial of service or gain privileges by setting the capabilities to prevent a setuid program from dropping privileges, aka the "Linux kernel setuid/setcap vulnerability."

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

  • Linux Kernel: 2.0; 2.0.30; 2.0.33; 2.0.34; 2.0.35; 2.0.36; 2.0.37; 2.0.38; 2.1; 2.2.0; 2.2.10; 2.2.12

References