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Debian 3.0: DSA 261-1 Critical: Tcpdump Remote Loop Threat

debian
Calendar Grey March 14, 2003
Scroller Debian
Combat the tcpdump infinite loop issue on Debian caused by malicious RADIUS packets by upgrading tcpdump, applying traffic filters, setting up firewalls, and routinely reviewing logs
An attacker is able to send aspecially crafted RADIUS network packet which causes tcpdump to enteran infinite loop.

Summary

A problem has been discovered in tcpdump, a powerful tool for network
monitoring and data acquisition. An attacker is able to send a
specially crafted RADIUS network packet which causes tcpdump to enter
an infinite loop.

For the stable distribution (woody) this problem has been
fixed in version 3.6.2-2.4.

The old stable distribution (potato) does not seem to be affected
by this problem.

The unstable distribution (sid) is not affected by this problem anymore.

We recommend that you upgrade your tcpdump package.


Upgrade Instructions
--------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 3.0 alias woody
---------------------...

Read the Full Advisory

Severity
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Critical

Package: tcpdump

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