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TITLE:
MailEnable IMAP "LOGIN" Command Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA14870

VERIFY ADVISORY:
http://secunia.com/advisories/14870/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
MailEnable Enterprise Edition 1.x
http://secunia.com/product/4325/
MailEnable Professional 1.x
http://secunia.com/product/3474/

DESCRIPTION:
H D Moore has discovered a vulnerability in MailEnable, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the IMAP
service when handling the "LOGIN" command. This can be exploited to
cause a buffer overflow by supplying an overly long argument (more
than 1024 bytes).

Successful exploitation may allow execution of arbitrary code.

The vulnerability has been confirmed in MailEnable Professional
version 1.54 with hotfix MEIMSM-HF050404 applied. Other versions may
also be affected.

SOLUTION:
Filter traffic to the IMAP service (port 143).

PROVIDED AND/OR DISCOVERED BY:
H D Moore

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About:
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