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Category:   Application (E-mail Server)  >   MailEnable Vendors:   MailEnable Pty. Ltd.
MailEnable HELO Command Lets Remote Users Deny Service
SecurityTracker Alert ID:  1016376
SecurityTracker URL:
CVE Reference:   CVE-2006-3277   (Links to External Site)
Updated:  May 11 2009
Original Entry Date:  Jun 26 2006
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in MailEnable. A remote user can cause denial of service conditions.

A remote user can send a specially crafted SMTP HELO command to cause the target SMTP service to crash. reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued a hotfix (ME-10013), available at:

Vendor URL: (Links to External Site)
Cause:   Not specified
Underlying OS:  Windows (NT), Windows (2000), Windows (2003), Windows (XP)
Underlying OS Comments:  Tested on Windows 2003

Message History:   None.

 Source Message Contents

Subject:  [Full-disclosure] Mailenable SMTP Service DoS

Mailenable is vulnerable due to an error in the handling of the "HELO"
command in the SMTP service.

Product: Mailenable SMTP Service, All versions
Vuln type: Denial of Service
Risk: moderated
Attack type: Remote
Tested on: Windows 2003
Vendor patch: ME-10013


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