OSEC

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Subject: [RHSA-2000:130-05] Updated rp-pppoe packages fixing denial of service attack are available.
From: redhat-watch-list-adminredhat.com
Date: Wed Dec 20 2000 - 06:34:08 CST

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                   Red Hat, Inc. Security Advisory

Synopsis: Updated rp-pppoe packages fixing denial of service attack are available.
Advisory ID: RHSA-2000:130-05
Issue date: 2000-12-19
Updated on: 2000-12-20
Product: Red Hat Linux
Keywords: rp-pppoe pppoe DSL ADSL DoS denial of service
Cross references: N/A
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1. Topic:

Updated rp-pppoe packages fixing a denial of service attack are
available.(Patch from the rp-pppoe author, David F. Skoll
<dfsroaringpenguin.com>)

2. Relevant releases/architectures:

Red Hat Linux 7.0 - i386, alpha

3. Problem description:

Bad TCP packets (e.g. a SYN packet with kind=3, len=0) over a
PPP-over-Ethernet link could lock up rp-pppoe.

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):

N/A

6. RPMs required:

Red Hat Linux 7.0:

alpha:
ftp://updates.redhat.com/7.0/alpha/rp-pppoe-2.5-1.alpha.rpm

i386:
ftp://updates.redhat.com/7.0/i386/rp-pppoe-2.5-1.i386.rpm

sources:
ftp://updates.redhat.com/7.0/SRPMS/rp-pppoe-2.5-1.src.rpm

7. Verification:

MD5 sum Package Name
--------------------------------------------------------------------------
76fcab23eb254faf29de37a1efa5dc28 7.0/SRPMS/rp-pppoe-2.5-1.src.rpm
bd65c6557eed2cd8bcaa73d209f580bf 7.0/alpha/rp-pppoe-2.5-1.alpha.rpm
0921d71844e44b250d2b6282e1b66475 7.0/i386/rp-pppoe-2.5-1.i386.rpm

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

N/A

Copyright(c) 2000 Red Hat, Inc.

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