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TITLE:
dhcdbd DHCP Message Handling Denial of Service

SECUNIA ADVISORY ID:
SA20754

VERIFY ADVISORY:
http://secunia.com/advisories/20754/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

SOFTWARE:
dhcdbd 1.x
http://secunia.com/product/10598/

DESCRIPTION:
Florian Hackenberger has reported a vulnerability in dhcdbd, which
can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to a memory corruption error within
the handling of received DHCP messages. This can be exploited to
crash the daemon via a specially crafted DHCP message that contains a
single-byte of non-ASCII character in the DHCP option.

The vulnerability has been reported in version 1.12. Other versions
may also be affected.

SOLUTION:
Update to version 1.14.
http://people.redhat.com/jvdias/dhcdbd/

PROVIDED AND/OR DISCOVERED BY:
Florian Hackenberger

ORIGINAL ADVISORY:
https://launchpad.net/distros/ubuntu/+source/dhcdbd/+bug/49104
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189529

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About:
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