FreeBSD : leafnode denial-of-service triggered by article request (f7a3b18c-624c-4703-9756-b6b27429e5b0)

This script is Copyright (C) 2005-2014 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

The leafnode NNTP server may go into an unterminated loop with 100%
CPU use when an article is requested by Message-ID that has been
crossposted to several news groups when one of the group names is the
prefix of another group name that the article was cross-posted to.
Found by Jan Knutar.

See also :

http://leafnode.sourceforge.net/leafnode-SA-2002-01.txt
http://sourceforge.net/mailarchive/message.php?msg_id=2796226
http://article.gmane.org/gmane.network.leafnode.announce/8
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=46613
http://www.nessus.org/u?6f43372b

Solution :

Update the affected package.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.3
(CVSS2#E:H/RL:OF/RC:C)
Public Exploit Available : true

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 19177 (freebsd_pkg_f7a3b18c624c47039756b6b27429e5b0.nasl)

Bugtraq ID: 6490

CVE ID: CVE-2002-1661

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