CVE-2003-0093 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can crash tcpdump by sending a malformed RADIUS packet with a zero-length header, causing an infinite loop.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2003-0093?

CVE-2003-0093 is a medium-severity denial of service vulnerability in n/a, published on 1 Sep 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Which versions are affected by CVE-2003-0093?

It affects 1 product.

Products include Lbl Tcpdump.

How do I fix CVE-2003-0093?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2003-0093 being exploited?

There is no known exploitation of CVE-2003-0093 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2003-0093, GHSA-wcfm-6r83-67px.

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