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Jana Server does not adequately validate user input thereby allowing directory traversal

Vulnerability Note VU#132099

Original Release Date: 2002-03-29 | Last Revised: 2002-03-29

Overview

Jana Server contains a directory traversal vulnerability.

Description

Versions 1.4x of Jana Server, a web server for Windows developed by T. Hauck, do not properly filter requests for hexadecimal encodings of ".." (dot-dot) and allows directory traversal out of the HTTP document root directory.

Impact

Remote users can view any file on the server with the privileges of the Jana server process.

Solution

Upgrade to Jana Server 2.0 beta or later at:

http://www.jana-server.ocm.de/en/index.htm?/en/download.htm

None.

Vendor Information

132099
 
Expand all

Jana Server Affected

Notified:  October 19, 2001 Updated: February 26, 2002

Status

Affected

Vendor Statement

"In Version 1.4x -- [which] is not longer avalible from myself, or supported -- the
error exists.

"In Jana 2.0 Beta 3 Version (or Beta 2 version) -- [which] is right now the current
version -- that bug is fixed and should NOT longer exist."

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.


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References

Acknowledgements

Thanks to nemesystm of the DHC for discovering this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

CVE IDs: CVE-2001-0557
Severity Metric: 2.63
Date Public: 2001-05-07
Date First Published: 2002-03-29
Date Last Updated: 2002-03-29 22:56 UTC
Document Revision: 8

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