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CERT Coordination Center

Apache mod_dav module vulnerable to DoS

Vulnerability Note VU#406121

Original Release Date: 2002-09-26 | Last Revised: 2003-05-30

Overview

A denial-of-service vulnerability exists in Apache mod_dav.

Description

mod_dav is an Apache module. This module enables Apache web servers to provide users the ability to edit and manage files on a remote web server using the HTTP protocol. A vulnerability in mod_dav may allow an attacker to kill a child process. This may cause Apache to use excessive resources in a preforked multi-processing module.

Impact

An attacker may be able to consume excessive CPU resources on the target web server.

Solution

Upgrade to Apache 2.0.42.

Vendor Information

406121
 
Affected   Unknown   Unaffected

Apache

Updated:  September 26, 2002

Status

  Vulnerable

Vendor Statement

http://www.apache.org/dist/httpd/CHANGES_2.0.42

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.

Openwall GNU/*/Linux

Updated:  October 14, 2002

Status

  Not Vulnerable

Vendor Statement

Openwall GNU/*/Linux is not affected.

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.

Xerox Corporation

Updated:  May 30, 2003

Status

  Not Vulnerable

Vendor Statement

A response to this vulnerability is available from our web site: http://www.xerox.com/security.

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.


CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A

References

Acknowledgements

Thanks to Mark Cox for helping us to understand this vulnerability.

This document was written by Ian A Finlay.

Other Information

CVE IDs: None
Severity Metric: 5.40
Date Public: 2002-09-25
Date First Published: 2002-09-26
Date Last Updated: 2003-05-30 17:14 UTC
Document Revision: 3

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