CVE-2013-1667 Denial of service in n/a

High 7.5 Published 12 Mar 2013 Updated 6 Aug 2024

Attackers can cause Perl to crash or consume excessive memory by providing a crafted hash key, leading to denial of service.

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

What is CVE-2013-1667?

CVE-2013-1667 is a high-severity denial of service vulnerability in n/a, published on 12 Mar 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The rehash mechanism in Perl 5.8.2 through 5.16.x allows context-dependent attackers to cause a denial of service (memory consumption and crash) via a crafted hash key.

Weakness: CWE-399

Which versions are affected by CVE-2013-1667?

It affects 1 product.

Linux distribution packages (1)

apache2-mod_perl openSUSE:Tumbleweed All versions 2.0.9-5.1

Products include Perl Perl.

How do I fix CVE-2013-1667?

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-2013-1667 being exploited?

There is no known exploitation of CVE-2013-1667 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2013-1667, DSA-2641-1, GHSA-wv37-679q-qgxw, openSUSE-SU-2024:10161-1.