CVE-1999-1406 Denial of service in n/a

Low 2.1 Published 12 Sep 2001 Updated 1 Aug 2024

Local users can crash the system by redirecting stdout to the kernel via dumpreg's insecure access to /dev/mem.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-1999-1406?

CVE-1999-1406 is a low-severity denial of service vulnerability in Redhat Linux, published on 12 Sep 2001. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

dumpreg in Red Hat Linux 5.1 opens /dev/mem with O_RDWR access, which allows local users to cause a denial of service (crash) by redirecting fd 1 (stdout) to the kernel.

Which versions are affected by CVE-1999-1406?

It affects 1 product.

Products include Redhat Linux.

How do I fix CVE-1999-1406?

No fix has been published for CVE-1999-1406 yet. Limit exposure of the affected software until one is available.

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-1999-1406 being exploited?

There is no known exploitation of CVE-1999-1406 in the wild and no public exploit code.

All Redhat Linux vulnerabilities

Sources

Also known as GHSA-mjmw-j964-hfpm.