CVE-1999-1346 Auth bypass in n/a

High 7.5 Published 12 Sep 2001 Updated 1 Aug 2024

Misconfigured PAM rules in Red Hat Linux allow users to bypass rlogin restrictions and access the host despite explicit disabling.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-1999-1346?

CVE-1999-1346 is a high-severity authentication bypass vulnerability in Redhat Linux, published on 12 Sep 2001. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

PAM configuration file for rlogin in Red Hat Linux 6.1 and earlier includes a less restrictive rule before a more restrictive one, which allows users to access the host via rlogin even if rlogin has been explicitly disabled using the /etc/nologin file.

Which versions are affected by CVE-1999-1346?

It affects 1 product.

Products include Redhat Linux.

How do I fix CVE-1999-1346?

No fix has been published for CVE-1999-1346 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-1999-1346 being exploited?

There is no known exploitation of CVE-1999-1346 in the wild and no public exploit code.

All Redhat Linux vulnerabilities

Sources

Also known as GHSA-5x42-xxxg-rqpp.