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TITLE:
Softalk Mail Server IMAP Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA31715

VERIFY ADVISORY:
http://secunia.com/advisories/31715/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Softalk Mail Server 8.x
http://secunia.com/product/19711/

DESCRIPTION:
Joćo Antunes has discovered a vulnerability in Softalk Mail Server,
which can be exploited by malicious users to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error when processing specially
crafted IMAP commands. This can be exploited to consume large amounts
of system resources and crash the service by sending a malicious IMAP
command sequence to a vulnerable system.

The vulnerability is confirmed in version 8.5.1 (Build 431). Other
versions may also be affected.

SOLUTION:
Restrict access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Joćo Antunes

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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.

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