CVE-2014-6423 Denial of service in n/a

Medium 5.0 Published 20 Sep 2014 Updated 6 Aug 2024

Remote attackers can cause a denial of service via an infinite loop in the MEGACO dissector of Wireshark.

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

What is CVE-2014-6423?

CVE-2014-6423 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 20 Sep 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The tvb_raw_text_add function in epan/dissectors/packet-megaco.c in the MEGACO dissector in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 allows remote attackers to cause a denial of service (infinite loop) via an empty line.

Weakness: CWE-399

Which versions are affected by CVE-2014-6423?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2014-6423?

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-2014-6423 being exploited?

There is no known exploitation of CVE-2014-6423 in the wild and no public exploit code.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-6423, GHSA-cfvx-m64x-v285.