PHPNuke 'admin.php' script does not adequately authenticate users, thereby allowing malicious user to copy, move, or upload files

Overview

PHPNuke’s “admin.php” script does not properly authenticate users of its filemanager capabilities. Attackers may exploit this vulnerability to copy, move, or upload files.

Description

PHPNuke is a set of PHP scripts designed to simplify website creation and maintenance. The “admin.php” script of PHPNuke includes “filemanager” capabilities allowing an administrative user to copy and move files on the server and to upload new files to the server.

However, this script does not properly verify user authentication. Therefore, any remote attacker can access the filemanager capabilities with PHPNuke administrator privileges.

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Impact

Remote attackers can copy and move files on the server and upload new files, potentially overwriting existing files.

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Solution

The CERT/CC is currently unaware of a practical solution to this problem.

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Vendor Information

933955

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PHP-Nuke Affected

Updated: September 18, 2002

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23933955 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.securiteam.com/unixfocus/5FP0L1F5FS.html&gt;
• <http://www.securityfocus.com/bid/3361&gt;
• <http://www.twlc.net/article.php?sid=421&gt;
• <http://sourceforge.net/tracker/?group_id=7511&gt;

Acknowledgements

Thanks to supergate for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

CVE IDs:	CVE-2001-1032
Severity Metric:	4.28 Date Public: