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TITLE:
NoticeWare Email Server POP3 Connections Denial of Service

SECUNIA ADVISORY ID:
SA32202

VERIFY ADVISORY:
http://secunia.com/advisories/32202/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
NoticeWare Email Server 5.x
http://secunia.com/advisories/product/20125/

DESCRIPTION:
Paul Hand has discovered a vulnerability in NoticeWare Email Server,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error when handling multiple
POP3 connections. This can be exploited to cause a crash via e.g. a
large number of POP3 connections issuing login requests.

The vulnerability is confirmed in version 5.1.2.2. Other versions may
also be affected.

SOLUTION:
Restrict network access to the POP3 service.

PROVIDED AND/OR DISCOVERED BY:
Paul Hand (rAWjAW)

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/6719

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