bugtraq - Secunia Research: Lotus Notes UUE File Handling Buffer Overflow

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Message-ID: <1139578379.26324.256.camel@ts2.intnet>
Date: Fri, 10 Feb 2006 14:32:59 +0100
From: Secunia Research <vuln@...unia.com>
To: vuln@...unia.com
Cc: bugtraq@...urityfocus.com
Subject: Secunia Research: Lotus Notes UUE File Handling Buffer Overflow


====================================================================== 

                     Secunia Research 10/02/2006

           - Lotus Notes UUE File Handling Buffer Overflow  -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

====================================================================== 
1) Affected Software 

* Lotus Notes 6.5.4
* Lotus Notes 7.0

Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Highly Critical
Impact: System access
Where:  Remote

====================================================================== 
3) Description of Vulnerability

Secunia Research has discovered a vulnerability in Lotus Notes, which
can be exploited by malicious people to compromise a user's system. 

The vulnerability is caused due to a boundary error in uudrdr.dll when
handling an UUE file containing an encoded file with an overly long
filename. This can be exploited to cause a stack-based buffer
overflow.

Suucessful exploitation allows execution of arbitrary code when a
malicious UUE file is opened in the Notes attachment viewer.

====================================================================== 
4) Solution 

Update to version 6.5.5 or 7.0.1. 

====================================================================== 
5) Time Table 

05/08/2005 - Initial vendor notification.
05/08/2005 - Initial vendor response.
10/02/2006 - Public disclosure.

====================================================================== 
6) Credits 

Discovered by Tan Chew Keong, Secunia Research.

====================================================================== 
7) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
candidate number CAN-2005-2618 for the vulnerability.

====================================================================== 
8) About Secunia 

Secunia collects, validates, assesses, and writes advisories regarding 
all the latest software vulnerabilities disclosed to the public. These 
advisories are gathered in a publicly available database at the 
Secunia website: 

http://secunia.com/

Secunia offers services to our customers enabling them to receive all 
relevant vulnerability information to their specific system 
configuration. 

Secunia offers a FREE mailing list called Secunia Security Advisories: 

http://secunia.com/secunia_security_advisories/

====================================================================== 
9) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2005-36/advisory/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================