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CVE-2000-0969: Valve Software Half Life Dedicated Server: Command injection

CVE-2000-0969 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Valve Software Half Life Dedicated Server. 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

Format string vulnerability in Half Life dedicated server build 3104 and earlier allows remote attackers to execute arbitrary commands by injecting format strings into the changelevel command, via the system console or rcon.

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

• Valve Software Half Life Dedicated Server: 3.1.3

References

• http://archives.neohapsis.com/archives/bugtraq/2000-10/0254.html
• http://archives.neohapsis.com/archives/bugtraq/2000-10/0409.html
• http://www.osvdb.org/6983
• http://www.securityfocus.com/archive/1/141060
• https://exchange.xforce.ibmcloud.com/vulnerabilities/5413