Unix Manual PHP-Script does not adequately validate user input thereby allowing arbitrary command execution

Overview

User Manual does not adequately validate user input, allowing attackers to execute arbitrary commands on the server.

Description

Unix Manual (as known as manual.php) is a PHP script used to lookup and display man pages on the web. User Manual does not adequately filter user input before passing it to the shell, allowing attackers to submit and execute arbitrary commands on the server.

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Impact

Remote attackers can execute arbitrary commands on the server with privileges of the web server process.

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Solution

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

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Vendor Information

672419

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Marcus S. Xenakis Affected

Updated: September 24, 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%23672419 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

<http://www.securityfocus.com/bid/3718&gt;

Acknowledgements

Thanks to Florian Hobelsberger of BlueScreen for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

CVE IDs:	CVE-2001-1214
Severity Metric:	4.28 Date Public: