TITLE:
The Bat! RFC-822 Mail Header Spoofing Weakness

SECUNIA ADVISORY ID:
SA18713

VERIFY ADVISORY:
http://secunia.com/advisories/18713/

CRITICAL:
Not critical

IMPACT:
Spoofing

WHERE:
>From remote

SOFTWARE:
The Bat! 2.x
http://secunia.com/product/2840/

DESCRIPTION:
3APA3A has discovered a weakness in The Bat!, which can be exploited
by malicious people to conduct spoofing attacks.

The weakness is caused due to an error in the representation of
RFC-822 headers for certain specially crafted partial mail messages.
This can e.g. be exploited to spoof the "Received" header when
viewing a malicious mail with "View -> RFC-822 headers" enabled.

The weakness has been confirmed in version 2.12.04. Other versions
may also be affected.

SOLUTION:
Update to version 3.5 or later.
http://www.ritlabs.com/en/products/thebat/download.php

PROVIDED AND/OR DISCOVERED BY:
3APA3A

ORIGINAL ADVISORY:
http://www.security.nnov.ru/advisories/thebatspoof.asp

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