CVE-2012-5237 Denial of service in n/a

Low 3.3 Published 4 Oct 2012 Updated 6 Aug 2024

Remote attackers can cause a denial of service via infinite loop in Wireshark HSRP dissector using malformed packets.

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

What is CVE-2012-5237?

CVE-2012-5237 is a low-severity denial of service vulnerability in Wireshark Wireshark, published on 4 Oct 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The dissect_hsrp function in epan/dissectors/packet-hsrp.c in the HSRP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.

Weakness: CWE-399

Which versions are affected by CVE-2012-5237?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2012-5237?

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-2012-5237 being exploited?

There is no known exploitation of CVE-2012-5237 in the wild and no public exploit code.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2012-5237, GHSA-24wf-756g-vfmr.