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                   Red Hat Security Advisory

Synopsis:          Low: tcpdump security update
Advisory ID:       RHSA-2005:505-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-505.html
Issue date:        2005-06-13
Updated on:        2005-06-13
Product:           Red Hat Enterprise Linux
CVE Names:         CAN-2005-1267
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1. Summary:

Updated tcpdump packages that fix a security issue are now available.

This update has been rated as having low security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Problem description:

Tcpdump is a command line tool for monitoring network traffic.

A denial of service bug was found in tcpdump during the processing of
certain network packets. It is possible for an attacker to inject a
carefully crafted packet onto the network, crashing a running tcpdump
session. The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CAN-2005-1267 to this issue. 

Users of tcpdump are advised to upgrade to these erratum packages, which
contain backported security patches and are not vulnerable to these issues.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/

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

159208 - CAN-2005-1267 tcpdump BGP DoS


6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/tcpdump-3.8.2-10.RHEL4.src.rpm
282487d62fa99a54900b540261c399f8  tcpdump-3.8.2-10.RHEL4.src.rpm

i386:
915ffa5eb69ac30ef880db7a7d118eb1  arpwatch-2.1a13-10.RHEL4.i386.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
54c561a0af5fa0f8d30693a58af3478f  tcpdump-3.8.2-10.RHEL4.i386.rpm

ia64:
0249f1f82c2b0d2991e08256ba45efb9  arpwatch-2.1a13-10.RHEL4.ia64.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
effeaf9e1937b5fbc16e291fc7c47a79  libpcap-0.8.3-10.RHEL4.ia64.rpm
cbd5cd10732b1e8a66854f35f09342a6  tcpdump-3.8.2-10.RHEL4.ia64.rpm

ppc:
a11bc11bfac3d410a351ca3b47485025  arpwatch-2.1a13-10.RHEL4.ppc.rpm
3a3cbe9a5f59a067b94acfec2524a180  libpcap-0.8.3-10.RHEL4.ppc.rpm
e6ba2d5dd9271a85001918c91d2afe57  libpcap-0.8.3-10.RHEL4.ppc64.rpm
47a75b07dfed82a17420cf3b23814d43  tcpdump-3.8.2-10.RHEL4.ppc.rpm

s390:
095b4699cc2b62e1dac9f4d00e97b47f  arpwatch-2.1a13-10.RHEL4.s390.rpm
1f810b00fc409bcf612e062d7c274c22  libpcap-0.8.3-10.RHEL4.s390.rpm
fbbad5da43b5df92bf533ffef59e1249  tcpdump-3.8.2-10.RHEL4.s390.rpm

s390x:
2f9a9af8bbc8430415d12aaf266b1e10  arpwatch-2.1a13-10.RHEL4.s390x.rpm
1f810b00fc409bcf612e062d7c274c22  libpcap-0.8.3-10.RHEL4.s390.rpm
d2b5e5a8764736d74c8ef214b95c59f1  libpcap-0.8.3-10.RHEL4.s390x.rpm
1655c64e87224852fc8093860ceb474b  tcpdump-3.8.2-10.RHEL4.s390x.rpm

x86_64:
b28de5bc7cd4a6b6accd48c0bf6edb59  arpwatch-2.1a13-10.RHEL4.x86_64.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
dacdf9f4f40a12cf36d89a0ed3249187  libpcap-0.8.3-10.RHEL4.x86_64.rpm
ef7dc19abecc70943533bde89c3e7f59  tcpdump-3.8.2-10.RHEL4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/tcpdump-3.8.2-10.RHEL4.src.rpm
282487d62fa99a54900b540261c399f8  tcpdump-3.8.2-10.RHEL4.src.rpm

i386:
915ffa5eb69ac30ef880db7a7d118eb1  arpwatch-2.1a13-10.RHEL4.i386.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
54c561a0af5fa0f8d30693a58af3478f  tcpdump-3.8.2-10.RHEL4.i386.rpm

x86_64:
b28de5bc7cd4a6b6accd48c0bf6edb59  arpwatch-2.1a13-10.RHEL4.x86_64.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
dacdf9f4f40a12cf36d89a0ed3249187  libpcap-0.8.3-10.RHEL4.x86_64.rpm
ef7dc19abecc70943533bde89c3e7f59  tcpdump-3.8.2-10.RHEL4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/tcpdump-3.8.2-10.RHEL4.src.rpm
282487d62fa99a54900b540261c399f8  tcpdump-3.8.2-10.RHEL4.src.rpm

i386:
915ffa5eb69ac30ef880db7a7d118eb1  arpwatch-2.1a13-10.RHEL4.i386.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
54c561a0af5fa0f8d30693a58af3478f  tcpdump-3.8.2-10.RHEL4.i386.rpm

ia64:
0249f1f82c2b0d2991e08256ba45efb9  arpwatch-2.1a13-10.RHEL4.ia64.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
effeaf9e1937b5fbc16e291fc7c47a79  libpcap-0.8.3-10.RHEL4.ia64.rpm
cbd5cd10732b1e8a66854f35f09342a6  tcpdump-3.8.2-10.RHEL4.ia64.rpm

x86_64:
b28de5bc7cd4a6b6accd48c0bf6edb59  arpwatch-2.1a13-10.RHEL4.x86_64.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
dacdf9f4f40a12cf36d89a0ed3249187  libpcap-0.8.3-10.RHEL4.x86_64.rpm
ef7dc19abecc70943533bde89c3e7f59  tcpdump-3.8.2-10.RHEL4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/tcpdump-3.8.2-10.RHEL4.src.rpm
282487d62fa99a54900b540261c399f8  tcpdump-3.8.2-10.RHEL4.src.rpm

i386:
915ffa5eb69ac30ef880db7a7d118eb1  arpwatch-2.1a13-10.RHEL4.i386.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
54c561a0af5fa0f8d30693a58af3478f  tcpdump-3.8.2-10.RHEL4.i386.rpm

ia64:
0249f1f82c2b0d2991e08256ba45efb9  arpwatch-2.1a13-10.RHEL4.ia64.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
effeaf9e1937b5fbc16e291fc7c47a79  libpcap-0.8.3-10.RHEL4.ia64.rpm
cbd5cd10732b1e8a66854f35f09342a6  tcpdump-3.8.2-10.RHEL4.ia64.rpm

x86_64:
b28de5bc7cd4a6b6accd48c0bf6edb59  arpwatch-2.1a13-10.RHEL4.x86_64.rpm
243f6883db13135f88f6692ad3280e34  libpcap-0.8.3-10.RHEL4.i386.rpm
dacdf9f4f40a12cf36d89a0ed3249187  libpcap-0.8.3-10.RHEL4.x86_64.rpm
ef7dc19abecc70943533bde89c3e7f59  tcpdump-3.8.2-10.RHEL4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1267

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2005 Red Hat, Inc.

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