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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Red Hat Local Security Checks >> RHSA-2003-033: arpwatch Vulnerability Assessment Details
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RHSA-2003-033: arpwatch |
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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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