TITLE:
Honeyd IP Reassembly Remote Detection Weakness

SECUNIA ADVISORY ID:
SA18867

VERIFY ADVISORY:
http://secunia.com/advisories/18867/

CRITICAL:
Not critical

IMPACT:
Exposure of system information

WHERE:
>From remote

SOFTWARE:
Honeyd 0.x
http://secunia.com/product/2864/
Honeyd 1.x
http://secunia.com/product/8081/

DESCRIPTION:
A weakness has been reported in Honeyd, which can be exploited by
malicious people to disclose certain system information.

The weakness is caused due to an error in the IP packet reassembly
code that causes Honeyd to reply to malformed IP fragments that other
systems would silently drop. This can be exploited to identify systems
running Honeyd.

The weakness has been reported in versions prior to 1.5.

SOLUTION:
Update to version 1.5.
http://www.honeyd.org/release.php

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Jon Oberheide.

ORIGINAL ADVISORY:
http://www.honeyd.org/adv.2006-01

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