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                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          Updated radiusd-cistron packages are available
Advisory ID:       RHSA-2002:030-08
Issue date:        2002-02-20
Updated on:        2002-03-04
Product:           Red Hat Powertools
Keywords:          radius radiusd malformed packet
Cross references:  
Obsoletes:         
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1. Topic:

Updated radiusd-cistron packages, which fix various security issues, are now
available.

2. Relevant releases/architectures:

Red Hat Powertools 7.0 - alpha, i386

Red Hat Powertools 7.1 - alpha, i386

3. Problem description:

The radiusd-cistron package contains a server daemon for the Remote
Authentication Dial-In User Server (RADIUS) client/server security
protocol.  Various vulnerabilities have been found in Cistron
RADIUS as well as other RADIUS servers and clients.

In versions of Cistron RADIUS 1.6.5 and earlier, malformed packets could be
used to gain additional privileges.

All users of Cistron RADIUS are advised to upgrade to version 1.6.6, which
is not vulnerable to these issues.

Pay special attention to the installation instructions in the Solution
section as they vary significantly from the usual update method.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is currently not available through Red Hat Network.
Due to a bug in previously released versions, the original package must be
removed, and the new package must be installed to apply this update (as root):

 # /sbin/service radiusd stop
 # /sbin/chkconfig --del radiusd
 # rpm -e --noscripts radiusd-cistron
 # rpm -ivh radiusd-cistron-1.6.6-2.[arch].rpm

where [arch] is the architecture.

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



6. RPMs required:

Red Hat Powertools 7.0:

SRPMS:
radiusd-cistron-1.6.6-2.src.rpm

alpha:
radiusd-cistron-1.6.6-2.alpha.rpm

i386:
radiusd-cistron-1.6.6-2.i386.rpm

Red Hat Powertools 7.1:

SRPMS:
radiusd-cistron-1.6.6-2.src.rpm

alpha:
radiusd-cistron-1.6.6-2.alpha.rpm

i386:
radiusd-cistron-1.6.6-2.i386.rpm



7. Verification:

MD5 sum                          Package Name
--------------------------------------------------------------------------
398e46f80c48654b26a2c484e264b485
 7.0/en/powertools/SRPMS/radiusd-cistron-1.6.6-2.src.rpm
080c782aeb81f4a0e4dda4e31efbe660
 7.0/en/powertools/alpha/radiusd-cistron-1.6.6-2.alpha.rpm
b5c937f5e48d4d3484b64e20f8785b4a
 7.0/en/powertools/i386/radiusd-cistron-1.6.6-2.i386.rpm
398e46f80c48654b26a2c484e264b485
 7.1/en/powertools/SRPMS/radiusd-cistron-1.6.6-2.src.rpm
080c782aeb81f4a0e4dda4e31efbe660
 7.1/en/powertools/alpha/radiusd-cistron-1.6.6-2.alpha.rpm
b5c937f5e48d4d3484b64e20f8785b4a
 7.1/en/powertools/i386/radiusd-cistron-1.6.6-2.i386.rpm
 

These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at:
    http://www.redhat.com/about/contact/pgpkey.html

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:

http://www.kb.cert.org/vuls/id/589523
http://www.kb.cert.org/vuls/id/936683


Copyright(c) 2000, 2001, 2002 Red Hat, Inc.



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