TITLE:
Network Block Device Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA18135

VERIFY ADVISORY:
http://secunia.com/advisories/18135/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From local network

SOFTWARE:
Network Block Device (nbd) 2.x
http://secunia.com/product/6640/

DESCRIPTION:
Kurt Fitzner has reported a vulnerability in Network Block Device
(nbd), which potentially can be exploited by malicious people to
compromise a vulnerable system.

The vulnerability is caused due to a boundary error in nbd-server
when handling a specially crafted request. This may be exploited to
cause a buffer overflow in the nbd-server.

SOLUTION:
Restrict use to within trusted networks.

Some Linux vendors have issued fixed packages.

PROVIDED AND/OR DISCOVERED BY:
Kurt Fitzner

ORIGINAL ADVISORY:
Debian:
http://www.debian.org/security/2005/dsa-924

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