Message-ID: <20040929161226.GA11725@home.thedom.org>
Date: Wed, 29 Sep 2004 17:12:29 +0100
From: Dominic Hargreaves <dom@...th.li>
To: fedora-legacy-announce@...hat.com, bugtraq@...urityfocus.com,
	full-disclosure@...ts.netsys.com
Cc: fedora-legacy-list@...hat.com
Subject: [FLSA-2004:1468] Updated tcpdump packages that fix multiple
	security vulnerabilities

-----------------------------------------------------------------------
               Fedora Legacy Update Advisory

Synopsis:          Updated tcpdump resolves security vulnerabilities
Advisory ID:       FLSA:1468
Issue date:        2004-09-29
Product:           Red Hat Linux
Keywords:          Security
Cross references:  https://bugzilla.fedora.us/show_bug.cgi?id=1468
CVE Names:         CAN-2004-0183, CAN-2004-0184
-----------------------------------------------------------------------


-----------------------------------------------------------------------
1. Topic:

Updated tcpdump packages that fix multiple security vulnerabilities
are now available.

2. Relevant releases/architectures:

Red Hat Linux 7.3 - i386
Red Hat Linux 9 - i386

3. Problem description:

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

Tcpdump v3.8.1 and earlier versions contained multiple flaws in the
packet display functions for the ISAKMP protocol. Upon receiving
specially crafted ISAKMP packets, tcpdump would try to read beyond
the end of the packet capture buffer and subsequently crash.

All users are advised to upgrade to these updated packages, which contain a 
backported fix and are not vulnerable to this issue.

4. Solution:

Before applying this update, make sure all previously released errata 
relevant to your system have been applied.

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade.  Only those 
RPMs which are currently installed will be updated.  Those RPMs which are 
not installed but included in the list will not be updated.  Note that you 
can also use wildcards (*.rpm) if your current directory *only* contains 
the desired RPMs.

Please note that this update is also available via yum and apt.  Many 
people find this an easier way to apply updates.  To use yum issue:

yum update

or to use apt:

apt-get update; apt-get upgrade

This will start an interactive process that will result in the appropriate 
RPMs being upgraded on your system.  This assumes that you have yum or 
apt-get configured for obtaining Fedora Legacy content. Please visit 
http://www.fedoralegacy.org/docs/ for directions on how to configure yum 
and apt-get.

5. Bug IDs fixed:

http://bugzilla.fedora.us - 1468 - tcpdump ISAKMP Packet Decoding Vulnerability

6. RPMs required:

Red Hat Linux 7.3:

SRPM:
http://download.fedoralegacy.org/redhat/7.3/updates/SRPMS/tcpdump-3.6.3-17.7.3.6.legacy.src.rpm

i386:
http://download.fedoralegacy.org/redhat/7.3/updates/i386/arpwatch-2.1a11-17.7.3.6.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/libpcap-0.6.2-17.7.3.6.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/tcpdump-3.6.3-17.7.3.6.legacy.i386.rpm


Red Hat Linux 9:

SRPM:
http://download.fedoralegacy.org/redhat/9/updates/SRPMS/tcpdump-3.7.2-7.9.3.legacy.src.rpm

i386:
http://download.fedoralegacy.org/redhat/9/updates/i386/arpwatch-2.1a11-7.9.3.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/libpcap-0.7.2-7.9.3.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/tcpdump-3.7.2-7.9.3.legacy.i386.rpm

7. Verification:

SHA1 sum                                 Package Name
---------------------------------------------------------------------------

3c236622c2f0815b257eb6df89470875844ab051
7.3/updates/SRPMS/tcpdump-3.6.3-17.7.3.6.legacy.src.rpm
1d7866f944b95a9350098803c1be9a9439ef9de1
7.3/updates/i386/arpwatch-2.1a11-17.7.3.6.legacy.i386.rpm
827884c667461dcd1624b666d29d83e50e4611cc
7.3/updates/i386/libpcap-0.6.2-17.7.3.6.legacy.i386.rpm
2e77a8344ce68a80fe484fae4e9e371b92dc25c2
7.3/updates/i386/tcpdump-3.6.3-17.7.3.6.legacy.i386.rpm
2a63dfe8422c135d41ec0655d1957b2ac6e348a2
9/updates/SRPMS/tcpdump-3.7.2-7.9.3.legacy.src.rpm
e2e2cd142b0a4a50ab3b66a665d52e35fbe103aa
9/updates/i386/arpwatch-2.1a11-7.9.3.legacy.i386.rpm
3e7aad82c73a3250828b05e1308eb63a43c0d35e
9/updates/i386/libpcap-0.7.2-7.9.3.legacy.i386.rpm
39b28a5fc7bda074426736cfdbc6a2186979daa2
9/updates/i386/tcpdump-3.7.2-7.9.3.legacy.i386.rpm

These packages are GPG signed by Fedora Legacy for security.  Our key is 
available from http://www.fedoralegacy org/about/security.php

You can verify each package with the following command:

    rpm --checksig -v <filename>

If you only wish to verify that each package has not been corrupted or 
tampered with, examine only the sha1sum with the following command:

    sha1sum <filename>

8. References:

http://marc.theaimsgroup.com/?l=bugtraq&m=108067265931525&w=2

9. Contact:

The Fedora Legacy security contact is <secnotice@...oralegacy.org>. More 
project details at http://www.fedoralegacy.org

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