bugtraq - Secunia Research: Eserv/3 IMAP and HTTP Server Multiple Vulnerabilities

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Date: Wed, 31 May 2006 12:01:12 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: vuln@...unia.com
Cc: bugtraq@...urityfocus.com
Subject: Secunia Research: Eserv/3 IMAP and HTTP Server Multiple
	Vulnerabilities

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

                    Secunia Research 31/05/2006

      - Eserv/3 IMAP and HTTP Server Multiple Vulnerabilities -

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

* EServ/3 version 3.25

Prior versions may also be affected.

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

Rating: Moderately Critical
Impact: Security bypass
        Exposure of sensitive information
Where:  Remote

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

Secunia Research has discovered some vulnerabilities in Eserv/3, which
can be exploited by malicious users to bypass certain security
restrictions and to disclose potentially sensitive information, and
by malicious people to gain access to potentially sensitive information.

1) Directory traversal errors exist in the CREATE, SELECT, DELETE,
RENAME, COPY and APPEND commands of the IMAP service. This can be
exploited by an authenticated user to read other users' emails,
create/rename arbitrary directories on the system, and delete empty
directories.

2) A validation error of the filename extension supplied by the user
in the URL can be exploited to retrieve the source code of script
files (e.g. PHP, PL) from the HTTP server via specially crafted requests
containing dot, space and slash characters.

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

Update to version 3.26 or apply patch.

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

15/05/2006 - Initial vendor notification.
15/05/2006 - Initial vendor reply.
31/05/2006 - Public disclosure.

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

Discovered by Tan Chew Keong, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2006-2308 and CVE-2006-2309 for the vulnerabilities.

EServ:
http://www.eserv.ru/ru/news/news_detail.php?ID=235

====================================================================== 
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/2006-37/advisory/

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

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