This script is Copyright (C) 2007-2015 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
Updated tcpdump packages that fix a security issue and functionality
bugs are now available.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
Tcpdump is a command line tool for monitoring network traffic.
Moritz Jodeit discovered a denial of service bug in the tcpdump IEEE
802.11 processing code. If a certain link type was explicitly
specified, an attacker could inject a carefully crafted frame onto the
IEEE 802.11 network that could crash a running tcpdump session.
An integer overflow flaw was found in tcpdump's BGP processing code.
An attacker could execute arbitrary code with the privilege of the
pcap user by injecting a crafted frame onto the network.
In addition, the following bugs have been addressed :
* The arpwatch service initialization script would exit prematurely,
returning an incorrect successful exit status and preventing the
status command from running in case networking is not available.
* Tcpdump would not drop root privileges completely when launched with
the -C option. This might have been abused by an attacker to gain root
privileges in case a security problem was found in tcpdump. Users of
tcpdump are encouraged to specify meaningful arguments to the -Z
option in case they want tcpdump to write files with privileges other
than of the pcap user.
Users of tcpdump are advised to upgrade to these erratum packages,
which contain backported patches that correct these issues.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 6.8
CVSS Temporal Score : 5.3
Public Exploit Available : true
Family: Red Hat Local Security Checks
Nessus Plugin ID: 27828 ()
Bugtraq ID: 24965
CVE ID: CVE-2007-1218CVE-2007-3798
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