TITLE:
MDaemon IMAP Mail Folder Name Denial of Service

SECUNIA ADVISORY ID:
SA18921

VERIFY ADVISORY:
http://secunia.com/advisories/18921/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
MDaemon 8.x
http://secunia.com/product/5407/

DESCRIPTION:
Nemesis Security Audit Group has discovered a vulnerability in
MDaemon, which potentially can be exploited by malicious users to
cause a DoS (Denial of Service).

The vulnerability is caused due to an error in the handling of IMAP
mail folder names containing format string specifiers. This can be
exploited to cause the service to consume large amount of CPU
resources by first creating email folders with format string
specifiers in their names and then listing them.

The vulnerability has been confirmed in version 8.1.4 and also
reported in version 8.1.1. Other versions may also be affected.

SOLUTION:
Restrict access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Nemesis Security Audit Group

ORIGINAL ADVISORY:
http://www.nsag.ru/vuln/888.html

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

----------------------------------------------------------------------