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Home arrow SecurityAlert Database

Arrow  Topic :

Eserv/3 IMAP and HTTP Server MultipleVulnerabilities


Arrow  SecurityAlert : 1006
Arrow  CVE : CVE-2006-2309
Arrow  CVE : CVE-2006-2308
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : No
Arrow  Credit : Secunia Research
Arrow  Published : 03.06.2006

Arrow  Affected Software : EServ/3 version 3.25



Arrow  Advisory Content :  

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

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/

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





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