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CVE-2002-1537: Phpbb Group: Privilege escalation

CVE-2002-1537 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Phpbb Group. 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

admin_ug_auth.php in phpBB 2.0.0 allows local users to gain administrator privileges by directly calling admin_ug_auth.php with modifed form fields such as "u".

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

• Phpbb Group: 2.0.0

References

• http://www.iss.net/security_center/static/10489.php
• http://www.securityfocus.com/bid/6056
• http://archives.neohapsis.com/archives/bugtraq/2002-10/0385.html
• http://www.osvdb.org/4284