CVE-2000-0543 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service in PGP Certificate Server by connecting without a reverse DNS entry.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2000-0543?

CVE-2000-0543 is a medium-severity denial of service vulnerability in n/a, published on 12 Jul 2000. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The command port for PGP Certificate Server 2.5.0 and 2.5.1 allows remote attackers to cause a denial of service if their hostname does not have a reverse DNS entry and they connect to port 4000.

Which versions are affected by CVE-2000-0543?

It affects 1 product.

Products include Pgp Certificate Server.

How do I fix CVE-2000-0543?

No fix has been published for CVE-2000-0543 yet. Limit exposure of the affected software until one is available.

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-2000-0543 being exploited?

There is no known exploitation of CVE-2000-0543 in the wild and no public exploit code.

Sources

Also known as GHSA-m7mj-vcp8-4rpq.

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