CVE-2019-20384 Race condition in n/a

Medium 5.5 Published 20 Jan 2020 Updated 5 Aug 2024

Local attackers can exploit a race condition in Gentoo Portage to install malicious plugins, leading to privilege escalation or code execution.

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-2019-20384?

CVE-2019-20384 is a medium-severity vulnerability in n/a, published on 20 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Gentoo Portage through 2.3.84 allows local users to place a Trojan horse plugin in the /usr/lib64/nagios/plugins directory by leveraging access to the nagios user account, because this directory is writable in between a call to emake and a call to fowners.

Weakness: CWE-362

Which versions are affected by CVE-2019-20384?

It affects 1 product.

Products include Gentoo Portage.

How do I fix CVE-2019-20384?

No fix has been published for CVE-2019-20384 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-20384 being exploited?

There is no known exploitation of CVE-2019-20384 in the wild and no public exploit code.

Sources

Also known as GHSA-fj76-6r22-qfgv.