CVE-2004-0154 Denial of service in n/a

Medium 5.0 Published Updated

Attackers can crash the NFS mount daemon by exploiting a mismatch between forward and reverse DNS lookups during a mount request.

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

What is CVE-2004-0154?

CVE-2004-0154 is a medium-severity denial of service vulnerability in n/a, published on 12 May 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

rpc.mountd in nfs-utils after 1.0.3 and before 1.0.6 allows attackers to cause a denial of service (crash) via an NFS mount of a directory from a client whose reverse DNS lookup name is different from the forward lookup name.

Which versions are affected by CVE-2004-0154?

It affects 1 product.

Linux distribution packages (4)
nfs-utils Red Hat:enterprise_linux:3::asAll versions0:1.0.6-7.EL
nfs-utils Red Hat:enterprise_linux:3::desktopAll versions0:1.0.6-7.EL
nfs-utils Red Hat:enterprise_linux:3::esAll versions0:1.0.6-7.EL
nfs-utils Red Hat:enterprise_linux:3::wsAll versions0:1.0.6-7.EL

Products include Nfs Nfs-Utils.

How do I fix CVE-2004-0154?

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-2004-0154 being exploited?

There is no known exploitation of CVE-2004-0154 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2004-0154, GHSA-94fh-jw32-7fj9, RHSA-2004:072.

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