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RedHat: ethereal Buffer overflow vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
RedHat Linux Updated Ethereal packages that fix a number of exploitable security issuesare now available.

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

Synopsis:          Updated Ethereal packages fix security issues
Advisory ID:       RHSA-2003:323-01
Issue date:        2003-11-10
Updated on:        2003-11-10
Product:           Red Hat Linux
Keywords:          ethereal SOCKS buffer overflow
Cross references:  
Obsoletes:         RHSA-2003:203
CVE Names:         CAN-2003-0925 CAN-2003-0926 CAN-2003-0927
- ---------------------------------------------------------------------

1. Topic:

Updated Ethereal packages that fix a number of exploitable security issues
are now available.

2. Relevant releases/architectures:

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:

Ethereal is a program for monitoring network traffic.

A number of security issues affect Ethereal.  By exploiting these issues,
it may be possible to make Ethereal crash or run arbitrary code by
injecting a purposefully-malformed packet onto the wire or by convincing
someone to read a malformed packet trace file.

A buffer overflow in Ethereal 0.9.15 and earlier allows remote attackers
to cause a denial of service and possibly execute arbitrary code via a
malformed GTP MSISDN string.  The Common Vulnerabilities and Exposures
project (cve.mitre.org) has assigned the name CAN-2003-0925 to
this issue.

Ethereal 0.9.15 and earlier allows remote attackers to cause a denial of
service (crash) via certain malformed ISAKMP or MEGACO packets.  The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2003-0926 to this issue.

A heap-based buffer overflow in Ethereal 0.9.15 and earlier allows
remote attackers to cause a denial of service (crash) and possibly
execute arbitrary code via the SOCKS dissector.  The Common Vulnerabilities
and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0927
to this issue.

Users of Ethereal should update to these erratum packages containing
Ethereal version 0.9.16, which 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 7.2:

SRPMS: 
ftp://updates.Red Hat.com/7.2/en/os/SRPMS/ethereal-0.9.16-0.72.1.src.rpm

i386: 
ftp://updates.Red Hat.com/7.2/en/os/i386/ethereal-0.9.16-0.72.1.i386.rpm 
ftp://updates.Red Hat.com/7.2/en/os/i386/ethereal-gnome-0.9.16-0.72.1.i386.rpm

ia64: 
ftp://updates.Red Hat.com/7.2/en/os/ia64/ethereal-0.9.16-0.72.1.ia64.rpm 
ftp://updates.Red Hat.com/7.2/en/os/ia64/ethereal-gnome-0.9.16-0.72.1.ia64.rpm

Red Hat Linux 7.3:

SRPMS: 
ftp://updates.Red Hat.com/7.3/en/os/SRPMS/ethereal-0.9.16-0.73.1.src.rpm

i386: 
ftp://updates.Red Hat.com/7.3/en/os/i386/ethereal-0.9.16-0.73.1.i386.rpm 
ftp://updates.Red Hat.com/7.3/en/os/i386/ethereal-gnome-0.9.16-0.73.1.i386.rpm

Red Hat Linux 8.0:

SRPMS: 
ftp://updates.Red Hat.com/8.0/en/os/SRPMS/ethereal-0.9.16-0.80.1.src.rpm

i386: 
ftp://updates.Red Hat.com/8.0/en/os/i386/ethereal-0.9.16-0.80.1.i386.rpm 
ftp://updates.Red Hat.com/8.0/en/os/i386/ethereal-gnome-0.9.16-0.80.1.i386.rpm

Red Hat Linux 9:

SRPMS: 
ftp://updates.Red Hat.com/9/en/os/SRPMS/ethereal-0.9.16-0.90.1.src.rpm

i386: 
ftp://updates.Red Hat.com/9/en/os/i386/ethereal-0.9.16-0.90.1.i386.rpm 
ftp://updates.Red Hat.com/9/en/os/i386/ethereal-gnome-0.9.16-0.90.1.i386.rpm



6. Verification:

MD5 sum                          Package Name
- --------------------------------------------------------------------------
51b11630b7e941a445b9e5b3c78bad71 7.2/en/os/SRPMS/ethereal-0.9.16-0.72.1.src.rpm
d82608ed91c6eedf65727684c6db5305 7.2/en/os/i386/ethereal-0.9.16-0.72.1.i386.rpm
4f77f1ff00345c5ac17fab320d266623 7.2/en/os/i386/ethereal-gnome-0.9.16-0.72.1.i386.rpm
6dd40a5f31ab113ba0e0165f8c1a50e4 7.2/en/os/ia64/ethereal-0.9.16-0.72.1.ia64.rpm
d7b8d27500bdb6a81b1b2040c994299a 7.2/en/os/ia64/ethereal-gnome-0.9.16-0.72.1.ia64.rpm
1851780c3ca9c4b41154fde464f7baa5 7.3/en/os/SRPMS/ethereal-0.9.16-0.73.1.src.rpm
3606cb008369c2d23de53e595c1e4a3b 7.3/en/os/i386/ethereal-0.9.16-0.73.1.i386.rpm
8db80d03f546cf633ff2346e57ff4492 7.3/en/os/i386/ethereal-gnome-0.9.16-0.73.1.i386.rpm
ea4799792230ece8074d766371e377f5 8.0/en/os/SRPMS/ethereal-0.9.16-0.80.1.src.rpm
3f794942c054cc80e211e235d2bd80a6 8.0/en/os/i386/ethereal-0.9.16-0.80.1.i386.rpm
eb651ff758ac8e58e5edbac838930df8 8.0/en/os/i386/ethereal-gnome-0.9.16-0.80.1.i386.rpm
45868a8ab244bee8b26454bd64c8894c 9/en/os/SRPMS/ethereal-0.9.16-0.90.1.src.rpm
b0397b5f2745d05ebc9775bcf46ae26f 9/en/os/i386/ethereal-0.9.16-0.90.1.i386.rpm
f29f45d6e0c2f5eba2fb524df3ead36d 9/en/os/i386/ethereal-gnome-0.9.16-0.90.1.i386.rpm


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

You can verify each package with the following command:
    
    rpm --checksig -v 

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 


7. References:
 
http://www.ethereal.com/appnotes/enpa-sa-00011.html 
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0925 
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0926 
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0927

8. Contact:

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

Copyright 2003 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.7 (GNU/Linux)

iD8DBQE/r9EhXlSAg2UNWIIRArewAKC+c6shOTmK6+j7DCZTbH9vPulXswCgoE+y
hq/boziOpqx1fqzyI7Nrf7g=
=uwjc
-----END PGP SIGNATURE-----

 
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