CVE-2012-4556 Denial of service in n/a

Medium 4.0 Published 4 Jan 2013 Updated 6 Aug 2024

Remote attackers can cause a denial of service in Red Hat Certificate System by sending empty search fields in certificate queries.

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

What is CVE-2012-4556?

CVE-2012-4556 is a medium-severity denial of service vulnerability in n/a, published on 4 Jan 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 allows remote attackers to cause a denial of service (Apache httpd web server child process restart) via certain unspecified empty search fields in a user certificate search query.

Weakness: CWE-20

Which versions are affected by CVE-2012-4556?

It affects 1 product.

Products include Redhat Certificate System.

How do I fix CVE-2012-4556?

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-2012-4556 being exploited?

There is no known exploitation of CVE-2012-4556 in the wild and no public exploit code.

Sources

Also known as GHSA-fw6f-r68r-6fjx.