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            AUSCERT External Security Bulletin Redistribution
                                    
                                    
                    ESB-98.097 -- Red Hat Linux Bulletin
                   SECURITY: new dhcp daemon now available
                                15 June 1998

===========================================================================

RedHat Software, Inc. has released the following advisory concerning
various security problems found in the dhcp server shipped with
Red Hat 5.0 and 5.1.

The following security bulletin is provided as a service to AusCERT's
members.  As AusCERT did not write this document, AusCERT has had no
control over its content.  As such, 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 will
not be updated when the original bulletin is.  If downloading at a later
date, it is recommended that the bulletin is retrieved from the original
authors to ensure that the information is still current.

If you have any questions or need further information, please contact 
Red Hat Software directly.

Previous advisories and external security bulletins can be retrieved from:

	http://www.auscert.org.au/Information/advisories.html

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

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.


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Security vulnerabilities have been found in the dhcp server shipped with
Red Hat 5.0 and 5.1. Machines using this daemon should be have their
dhcp daemon updated to this new version as soon as possible. After updating
the dhcp package, it's important to restart the daemon with:

	/etc/rc.d/init.d/dhcp stop; /etc/rc.d/init.d/dhcp start

Thanks to Chris Evans for finding this problem and the fix.

Red Hat 5.0 and 5.1
- -------------------

i386:
rpm -Uvh ftp://ftp.redhat.com/updates/5.0/i386/dhcp-2.0b1pl1-2.i386.rpm

alpha:
rpm -Uvh ftp://ftp.redhat.com/updates/5.0/alpha/dhcp-2.0b1pl1-2.alpha.rpm

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