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Home >> Browse Vulnerability Assessment Database >> Red Hat Local Security Checks >> RHSA-2003-033: arpwatch


Vulnerability Assessment Details

RHSA-2003-033: arpwatch

Vulnerability Assessment Summary
Check for the version of the arpwatch packages

Detailed Explanation for this Vulnerability Assessment


Updated tcpdump, libpcap, and arpwatch packages are available to fix an
incorrect bounds check when decoding BGP packets and a possible denial of
service.

Tcpdump is a command-line tool for monitoring network traffic.

The BGP decoding routines in tcpdump before version 3.6.2 used incorrect
bounds checking when copying data, which permits remote attackers to cause a
denial of service and possibly execute arbitrary code (as the 'pcap' user).

If a UDP packet from a radius port contains 0 at the second byte tcpdump
gets stuck in a loop that generating an infinite stream of "#0#0#0#0#0".
This could be used as a denial of service.

Users of tcpdump are advised to upgrade to these errata packages which
contain patches to correct thes issues.




Solution : http://rhn.redhat.com/errata/RHSA-2003-033.html
Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security

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