CVE-2016-7144 Auth bypass in n/a

High 8.1 Published 18 Jan 2017 Updated 6 Aug 2024

Remote attackers can spoof certificate fingerprints to log in as another user, requiring an upgrade to UnrealIRCd.

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-2016-7144?

CVE-2016-7144 is a high-severity authentication bypass vulnerability in n/a, published on 18 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.

Weakness: CWE-287

Which versions are affected by CVE-2016-7144?

It affects 1 product.

Products include Unrealircd Unrealircd.

How do I fix CVE-2016-7144?

No fix has been published for CVE-2016-7144 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2016-7144 being exploited?

There is no known exploitation of CVE-2016-7144 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-jh73-52m6-cx8p.