Courier Mailing List Manager Lets Remote Users Deny Service
|
|
SecurityTracker Alert ID: 1016248
|
|
SecurityTracker URL: http://securitytracker.com/id?1016248
|
|
CVE Reference: CVE-2006-2659
(Links to External Site)
|
Date: Jun 8 2006
|
Impact: Denial of service via network
|
Fix Available: Yes
Exploit Included: Yes
Vendor Confirmed: Yes
|
Version(s): prior to 0.53.2
|
Description: A vulnerability was reported in Courier in the Mailing List Manager. A remote user can cause denial of service conditions.
A remote user can subscribe to a mailing list with an e-mail address with a username that contains an equal character ('='). When
the mailing list attempts to send mail to the list, the courieresmtp process will consume all available CPU resources. The courierlocal
process will eventually terminate.
The flaw resides in 'courier/libs/comverp.c'.
|
Impact: A remote user can cause denial of service conditions.
|
Solution: the vendor has issued a fixed version (0.53.2), available at:
http://www.courier-mta.org/status.html
A patch is also available at:
http://www.courier-mta.org/beta/patches/verp-fix/verp.patch.txt
|
Vendor URL: www.courier-mta.org/ (Links to External Site)
|
Cause: State error
|
Underlying OS: Linux (Any), UNIX (Any)
|
|
Message History:
None.
|
Source Message Contents
|
Date: Thu, 8 Jun 2006 09:09:12 -0400
Subject: Courier MTA denial of service
|
CVE-2006-2659
|
|
