CVE-2019-3974 Path traversal in Tenable Nessus

High 8.1 Published Updated

Attackers can overwrite arbitrary system files on Windows, potentially causing a denial of service in Tenable Nessus.

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-2019-3974?

CVE-2019-3974 is a high-severity path traversal vulnerability in Tenable Nessus, published on 15 Aug 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Nessus 8.5.2 and earlier on Windows platforms were found to contain an issue where certain system files could be overwritten arbitrarily, potentially creating a denial of service condition.

Which versions are affected by CVE-2019-3974?

It affects 1 product.

Products include Tenable Nessus.

How do I fix CVE-2019-3974?

No fix has been published for CVE-2019-3974 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2019-3974 being exploited?

There is no known exploitation of CVE-2019-3974 in the wild and no public exploit code.

All Tenable Nessus vulnerabilities

Sources

Also known as GHSA-rwwf-x95q-4c34.

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