8242 : Pavuk Digest Authentication Overflow
Printer | http://osvdb.org/8242 | Email This | Edit Vulnerability

Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
6 892 almost 9 years ago about 3 years ago 3 times 90%

Timeline

Disclosure Date
2004-07-27
Time to Exploit
29 days

Description

A remote overflow exists in Pavuk. The program fails to properly check nonce and realm fields which accompany a digest authentication challenge upon the receipt of a 401 (unauthorized) http error resulting in an overflow in sprintf() in the digest authentication handler. With a specially crafted response, an attacker can cause execution of arbitrary code resulting in a loss of confidentiality, integrity, and/or availability.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Public

Solution

Disable http digest authentication or upgrade to version 0.928r3 or higher, as it has been reported to fix this vulnerability.

Products

Stefan Ondrejicka
Pavuk
0.928r1
0.928r2
0.9pl28i

References

Tools & Filters

1776 1777

Credit

  • Matthew Murphy - mattmurphykc.rr.com -

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2005-06-26 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1

Comments

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

© Copyright 2002 - 2013 Open Source Vulnerability Database (OSVDB), All Rights Reserved.
Privacy Statement - Terms of Use