AUSCERT External Security Bulletin Redistribution
                      ESB-2000.167 -- RHSA-2000:042-01
                   BitchX denial of service vulnerability
                                 7 July 2000


	AusCERT Security Bulletin Summary

Product:		BitchX
Vendor:			Red Hat
Operating System:       Red Hat Linux
Platform:               N/A

Impact:			Denial of Service
Access Required:	Remote 

Ref:			ESB-2000.166

- --------------------------BEGIN INCLUDED TEXT--------------------

- ---------------------------------------------------------------------
                   Red Hat, Inc. Security Advisory

Synopsis:          BitchX denial of service vulnerability
Advisory ID:       RHSA-2000:042-01
Issue date:        2000-07-06
Updated on:        2000-07-06
Product:           Red Hat Powertools
Keywords:          DoS
Cross references:  N/A
- ---------------------------------------------------------------------

1. Topic:

A denial of service vulnerability exists in BitchX.

2. Relevant releases/architectures:

Red Hat Powertools 6.0 - i386, alpha, sparc
Red Hat Powertools 6.1 - i386, alpha, sparc
Red Hat Powertools 6.2 - i386, alpha, sparc

3. Problem description:

A denial of service vulnerability exists in BitchX.  Improper handling of incoming invitation messages can crash the client.  Any user on IRC can send the client an invitation message that causes BitchX to segfault.

4. Solution:

For each RPM for your particular architecture, run:

rpm -Fvh [filename]

where filename is the name of the RPM.

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


6. RPMs required:

Red Hat Powertools 6.1:

Red Hat Powertools 6.2:





7. Verification:

MD5 sum                           Package Name
- --------------------------------------------------------------------------
ea54ae7d29be2abeb4e0252ad2e5a040  6.2/SRPMS/BitchX-1.0c16-1.src.rpm
7c517589b963bbf9a42025cbd216fcdb  6.2/alpha/BitchX-1.0c16-1.alpha.rpm
93a409b68bdef05468a86bfdae2cb8d5  6.2/i386/BitchX-1.0c16-1.i386.rpm
2317c93fa3ed3a0ee0566ecd1c6d98ad  6.2/sparc/BitchX-1.0c16-1.sparc.rpm

These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at:

You can verify each package with the following command:
    rpm --checksig  <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:
    rpm --checksig --nogpg <filename>

8. References:

Thanks to Colten Edwards <edwards@bitchx.dimension6.com> for making us aware of the problem.

- --------------------------END INCLUDED TEXT--------------------

This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content.  The decision to use any or all of this information is
the responsibility of each user or organisation, and should be done so in
accordance with site policies and procedures.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the original authors to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:


If you believe that your system has been compromised, contact AusCERT or
your representative in FIRST (Forum of Incident Response and Security

Internet Email: auscert@auscert.org.au
Facsimile:	(07) 3365 7031
Telephone:	(07) 3365 4417 (International: +61 7 3365 4417)
		AusCERT personnel answer during Queensland business hours
		which are GMT+10:00 (AEST).
		On call after hours for emergencies.

Version: 2.6.3i
Charset: noconv
Comment: ftp://ftp.auscert.org.au/pub/auscert/AUSCERT_PGP.key