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CVE-2000-0525: Openbsd Openssh: Command injection

CVE-2000-0525 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Openbsd Openssh. 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

OpenSSH does not properly drop privileges when the UseLogin option is enabled, which allows local users to execute arbitrary commands by providing the command to the ssh daemon.

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

• Openbsd Openssh: 1.2; 1.2.3; 2.1

References

• http://archives.neohapsis.com/archives/bugtraq/2000-06/0065.html
• http://www.openbsd.org/errata.html#uselogin
• http://www.osvdb.org/341
• http://www.securityfocus.com/bid/1334
• https://exchange.xforce.ibmcloud.com/vulnerabilities/4646