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CVE-2000-0390: Mit Kerberos: Privilege escalation

CVE-2000-0390 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Mit Kerberos, along with 3 other products 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

Buffer overflow in krb425_conv_principal function in Kerberos 5 allows remote attackers to gain root privileges.

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

• Mit Kerberos: 4.0
• Mit Kerberos 5: 1.0; 1.1.1
• Cygnus Network Security: 4.0
• Cygnus Kerbnet: 5.0
• Red Hat Linux: 6.2

References

• http://www.cert.org/advisories/CA-2000-06.html
• http://archives.neohapsis.com/archives/bugtraq/2000-05/0184.html
• http://archives.neohapsis.com/archives/freebsd/2000-05/0295.html
• http://www.osvdb.org/4884
• http://www.redhat.com/support/errata/RHSA-2000-025.html
• http://www.securityfocus.com/bid/1220