bugtraq - [RHSA-2003:174-01] Updated tcpdump packages fix privilege dropping error

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Message-ID: <200305150803.h4F83rw20492@porkchop.devel.redhat.com>
Date: Thu, 15 May 2003 04:03 -0400
From: bugzilla@...hat.com
To: redhat-watch-list@...hat.com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.netsys.com
Subject: [RHSA-2003:174-01] Updated tcpdump packages fix privilege dropping error

---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Updated tcpdump packages fix privilege dropping error
Advisory ID:       RHSA-2003:174-01
Issue date:        2003-05-15
Updated on:        2003-05-15
Product:           Red Hat Linux
Keywords:          tcpdump
Cross references:  
Obsoletes:         RHSA-2003:032-
CVE Names:         CAN-2003-0194
---------------------------------------------------------------------

1. Topic:

Updated tcpdump packages that correctly drop privileges on startup are now
available.

2. Relevant releases/architectures:

Red Hat Linux 7.1 - i386
Red Hat Linux 7.2 - i386, ia64
Red Hat Linux 7.3 - i386
Red Hat Linux 8.0 - i386
Red Hat Linux 9 - i386

3. Problem description:

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

The Red Hat tcpdump packages advertise that by default tcpdump will drop
permissions to user 'pcap'.  Due to a compilation error this did not
happen, and tcpdump would run as root unless the '-U' flag was specified.

Users of tcpdump are advised to upgrade to these errata packages, which
contain are compiled so that by default tcpdump will drop privileges to the
'pcap' user.

4. Solution:

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

Please note that this update is available via Red Hat Network.  To use Red
Hat Network, launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):

88881 - CAN-2003-0145 RADUIS tcpdump vulnerability
90208 - CAN-2003-0194 tcpdump didn't drop root to pcap user like promised

6. RPMs required:

Red Hat Linux 7.1:

SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/tcpdump-3.6.3-17.7.1.3.src.rpm

i386:
ftp://updates.redhat.com/7.1/en/os/i386/tcpdump-3.6.3-17.7.1.3.i386.rpm

Red Hat Linux 7.2:

SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/tcpdump-3.6.3-17.7.2.3.src.rpm

i386:
ftp://updates.redhat.com/7.2/en/os/i386/tcpdump-3.6.3-17.7.2.3.i386.rpm

ia64:
ftp://updates.redhat.com/7.2/en/os/ia64/tcpdump-3.6.3-17.7.2.3.ia64.rpm

Red Hat Linux 7.3:

SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/tcpdump-3.6.3-17.7.3.3.src.rpm

i386:
ftp://updates.redhat.com/7.3/en/os/i386/tcpdump-3.6.3-17.7.3.3.i386.rpm

Red Hat Linux 8.0:

SRPMS:
ftp://updates.redhat.com/8.0/en/os/SRPMS/tcpdump-3.6.3-17.8.0.3.src.rpm

i386:
ftp://updates.redhat.com/8.0/en/os/i386/tcpdump-3.6.3-17.8.0.3.i386.rpm

Red Hat Linux 9:

SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/tcpdump-3.7.2-1.9.1.src.rpm

i386:
ftp://updates.redhat.com/9/en/os/i386/tcpdump-3.7.2-1.9.1.i386.rpm

7. Verification:

MD5 sum                          Package Name
--------------------------------------------------------------------------
fac820eb58d79fc58d30bff1fd11f33d 7.1/en/os/SRPMS/tcpdump-3.6.3-17.7.1.3.src.rpm
3eadddac8cdf6ae0b14e8016f651e1f0 7.1/en/os/i386/tcpdump-3.6.3-17.7.1.3.i386.rpm
5f5c14bd0dfdaa5b0d5dbc0fb70da395 7.2/en/os/SRPMS/tcpdump-3.6.3-17.7.2.3.src.rpm
c48e86db37c7f767ec8931ebb54fc0ae 7.2/en/os/i386/tcpdump-3.6.3-17.7.2.3.i386.rpm
39da71bfef8520c979db8cf21c4f6781 7.2/en/os/ia64/tcpdump-3.6.3-17.7.2.3.ia64.rpm
f9de6824ac351207bd105978eefed89d 7.3/en/os/SRPMS/tcpdump-3.6.3-17.7.3.3.src.rpm
8d54631bf99d61090f0752f29ef51f8f 7.3/en/os/i386/tcpdump-3.6.3-17.7.3.3.i386.rpm
67a36a50ec50a8aa2d32b2462fae653d 8.0/en/os/SRPMS/tcpdump-3.6.3-17.8.0.3.src.rpm
afba9bea894090b9c179979403347629 8.0/en/os/i386/tcpdump-3.6.3-17.8.0.3.i386.rpm
1b1b577c9ebfe84f735a6498140e1e7f 9/en/os/SRPMS/tcpdump-3.7.2-1.9.1.src.rpm
6cff8bf6b2425c361eec70ba3017d82b 9/en/os/i386/tcpdump-3.7.2-1.9.1.i386.rpm

These packages are GPG signed by Red Hat for security.  Our key is
available at http://www.redhat.com/solutions/security/news/publickey/

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 md5sum with the following command:

    md5sum <filename>

8. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0194

9. Contact:

The Red Hat security contact is <security@...hat.com>.  More contact
details at http://www.redhat.com/solutions/security/news/contact/

Copyright 2003 Red Hat, Inc.

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