FreeBSD : krb5 -- UDP ping-pong vulnerability in the kpasswd (password changing) service. [CVE-2002-2443] (e3f64457-cccd-11e2-af76-206a8a720317)

This script is Copyright (C) 2013 Tenable Network Security, Inc.


Synopsis :

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

Description :

No advisory has been released yet.

schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5)
before 1.11.3 does not properly validate UDP packets before sending
responses, which allows remote attackers to cause a denial of service
(CPU and bandwidth consumption) via a forged packet that triggers a
communication loop, as demonstrated by krb_pingpong.nasl, a related
issue to CVE-1999-0103. [CVE-2002-2443].

See also :

http://web.mit.edu/kerberos/www/krb5-1.11/
http://www.nessus.org/u?0c964359

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)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 66777 ()

Bugtraq ID:

CVE ID: CVE-2002-2443