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Category:   Application (E-mail Server)  >   MailEnable Vendors:   MailEnable Pty. Ltd.
MailEnable Buffer Overflow in IMAP EXAMINE Command Lets Remote Authenticated Users Execute Arbitrary Code
SecurityTracker Alert ID:  1015378
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Dec 19 2005
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 1.1
Description:   A vulnerability was reported in MailEnable. A remote authenticated user can execute arbitrary code on the target system.

A remote authenticated user can supply a specially crafted IMAP EXAMINE command to the target IMAP service to trigger a buffer overflow and execute arbitrary code.

Some demonstration exploit code by Mati Aharoni and Jacky Altal is available at:

Mati Aharoni discovered this vulnerability.

Impact:   A remote authenticated user can execute arbitrary code on the target system with the privileges of the target web service.
Solution:   The vendor has issued an IMAP Cumulative Hotfix/Update, available at:

Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (NT), Windows (2000), Windows (2003), Windows (XP)

Message History:   None.

 Source Message Contents

Subject:  [Full-disclosure] Remote Buffer Overflow in Mailenable Enterprise

See-Security Research and Development.

[-] Product Information

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.

[-] Vulnerability Description
A remote buffer overflow exists in MailEnable Enterprise 1.1 IMAP EXAMINE
command, which allows for post authentication code execution.
This vulnerability affects Mailenable Enterprise 1.1 *without* the
ME-10009.EXE patch.

[-] Vendor Notification
Vendor Notified, patch released, no animals harmed.

[-] Exploit
PoC code can be found @:

[-] Credits
The vulnerability was discovered by Mati Aharoni.
Exploit coded by Mati Aharoni and Jacky Altal.

Full-Disclosure - We believe in it.
Hosted and sponsored by Secunia -


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