bugtraq - Secunia Research: MailEnable POP Service "PASS" Command Buffer Overflow

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Date: Mon, 18 Dec 2006 15:54:13 +0100
From: Secunia Research <remove-vuln@...unia.com>
To: Secunia Research <vuln@...unia.com>
Cc: bugtraq@...urityfocus.com
Subject: Secunia Research: MailEnable POP Service "PASS" Command Buffer
	Overflow

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

                     Secunia Research 18/12/2006

      - MailEnable POP Service "PASS" Command Buffer Overflow -

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

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

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

* MailEnable Enterprise Edition 2.35
* MailEnable Professional Edition 2.35

NOTE: Other versions may also be affected.

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

Rating: Highly critical
Impact: System Compromise
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

"MailEnable's mail server software provides a powerful, scalable
hosted messaging platform for Microsoft Windows. MailEnable? offers
stability, unsurpassed flexibility and an extensive feature set which
allows you to provide cost-effective mail services".

Product Link:
http://mailenable.com/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in MailEnable, which
can be exploited by malicious people to compromise a vulnerable
system.

The vulnerability is caused due to a boundary error in the POP service
when handling arguments passed to the "PASS" command. This can be
exploited to cause a stack-based buffer overflow by passing an overly
long, specially crafted string as argument to the affected command.

Successful exploitation allows execution of arbitrary code.

====================================================================== 
5) Solution 

Apply hotfix:
http://www.mailenable.com/hotfix/ME-10026.EXE

====================================================================== 
6) Time Table 

18/12/2006 - Vendor notified.
18/12/2006 - Vendor response and hotfix released.
18/12/2006 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Carsten Eiram, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2006-6605 for the vulnerability.

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://corporate.secunia.com/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://corporate.secunia.com/secunia_research/33/

Secunia regularly hires new skilled team members. Check the URL below to
see currently vacant positions:

http://secunia.com/secunia_vacancies/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/ 

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2006-75/

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

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