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Category:   Application (Generic)  >   Wireshark Vendors:   Wireshark.org
(Red Hat Issues Fix for RH Linux) Ethereal Buffer Overflows in NetFlow, EIGRP, BGP, and Other Protocol Dissectors May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1009619
SecurityTracker URL:  http://securitytracker.com/id/1009619
CVE Reference:   CVE-2004-0176, CVE-2004-0367   (Links to External Site)
Date:  Apr 1 2004
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 0.8.13 - 0.10.2
Description:   Several vulnerabilities were reported in Ethereal. A remote user can execute arbitrary code on the target system.

The vendor reported that there are multiple vulnerabilities in Etheral, affecting the NetFlow, IGAP, EIGRP, PGM, IrDA, BGP, ISUP, and TCAP protocol dissectors [CVE: CVE-2004-0176]. Stefan Esser is credited with discovering these flaws.

A remote user can send a specially crafted packet to the target system or via a network monitored by the target system to trigger the buffer overflow. A remote user may be able to cause the target service to crash or execute arbitrary code.

It is also reported that a zero-length Presentation protocol selector can cause the target service to crash [CVE: CVE-2004-0367].

Impact:   A remote user can cause Ethereal to crash or execute arbitrary code.
Solution:   Red Hat has released a fix.

Red Hat Linux 9:

SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/ethereal-0.10.3-0.90.1.src.rpm

i386:
ftp://updates.redhat.com/9/en/os/i386/ethereal-0.10.3-0.90.1.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/ethereal-gnome-0.10.3-0.90.1.i386.rpm

The verification checksums are:

MD5 sum Package Name

50c70de14c55d5176ec163545cc49c25 9/en/os/SRPMS/ethereal-0.10.3-0.90.1.src.rpm
48670725bb0b0cd1370fa2819ac69360 9/en/os/i386/ethereal-0.10.3-0.90.1.i386.rpm
6aec3561d6598dd3af9e2e037aa41eee 9/en/os/i386/ethereal-gnome-0.10.3-0.90.1.i386.rpm

Vendor URL:  www.ethereal.com/appnotes/enpa-sa-00013.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Linux)
Underlying OS Comments:  9

Message History:   This archive entry is a follow-up to the message listed below.
Mar 23 2004 Ethereal Buffer Overflows in NetFlow, EIGRP, BGP, and Other Protocol Dissectors May Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2004:137-01] Updated Ethereal packages fix security issues


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Updated Ethereal packages fix security issues
Advisory ID:       RHSA-2004:137-01
Issue date:        2004-03-31
Updated on:        2004-03-31
Product:           Red Hat Linux
Keywords:          
Cross references:  
Obsoletes:         RHSA-2004:001
CVE Names:         CAN-2004-0176 CAN-2004-0365 CAN-2004-0367
- ---------------------------------------------------------------------

1. Topic:

Updated Ethereal packages that fix various security vulnerabilities are now
available.

2. Relevant releases/architectures:

Red Hat Linux 9 - i386

3. Problem description:

Ethereal is a program for monitoring network traffic.

Stefan Esser reported that Ethereal versions 0.10.1 and earlier contain
stack overflows in the IGRP, PGM, Metflow, ISUP, TCAP, or IGAP dissectors.
 On a system where Ethereal is being run a remote attacker could send
malicious packets that could cause Ethereal to crash or execute arbitrary
code.  The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2004-0176 to this issue.

Jonathan Heussser discovered that a carefully-crafted RADIUS packet could
cause a crash.  The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2004-0365 to this issue.

Ethereal 0.8.13 to 0.10.2 allows remote attackers to cause a denial of
service (crash) via a zero-length Presentation protocol selector.  The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2004-0367 to this issue.

Users of Ethereal should upgrade to these updated packages, which contain
a version of Ethereal that is not vulnerable to these issues.

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. RPMs required:

Red Hat Linux 9:

SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/ethereal-0.10.3-0.90.1.src.rpm

i386:
ftp://updates.redhat.com/9/en/os/i386/ethereal-0.10.3-0.90.1.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/ethereal-gnome-0.10.3-0.90.1.i386.rpm



6. Verification:

MD5 sum                          Package Name
- --------------------------------------------------------------------------

50c70de14c55d5176ec163545cc49c25 9/en/os/SRPMS/ethereal-0.10.3-0.90.1.src.rpm
48670725bb0b0cd1370fa2819ac69360 9/en/os/i386/ethereal-0.10.3-0.90.1.i386.rpm
6aec3561d6598dd3af9e2e037aa41eee 9/en/os/i386/ethereal-gnome-0.10.3-0.90.1.i386.rpm

These packages are GPG signed by Red Hat for security.  Our key is
available from https://www.redhat.com/security/team/key.html

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>


7. References:

http://www.ethereal.com/appnotes/enpa-sa-00013.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0176
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0365
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0367

8. Contact:

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

Copyright 2004 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.7 (GNU/Linux)

iD8DBQFAaoOoXlSAg2UNWIIRAp06AJ9NtE7QIAhaZ1FiYO8WmWHzgL3PVwCfSVhE
A3yCUzqhEYRkjMf7yRvCj7I=
=T5vg
-----END PGP SIGNATURE-----


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