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Red Hat: 'rp-pppoe' DoS Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
RedHat Linux Bad TCP packets (e.g. a SYN packet with kind=3, len=0) over aPPP-over-Ethernet link could lock up rp-pppoe.

---------------------------------------------------------------------
                   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
---------------------------------------------------------------------

1. Topic:

Updated rp-pppoe packages fixing a denial of service attack are
available.(Patch from the rp-pppoe author, David F. Skoll 
<dfs@roaringpenguin.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.Red Hat.com/bugzilla for more info):

N/A

6. RPMs required:

Red Hat Linux 7.0:

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

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

sources: 
ftp://updates.Red Hat.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.Red Hat.com/corp/contact.html

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

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 

8. References:

N/A


Copyright(c) 2000 Red Hat, Inc.


 
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