CVE-2018-19046 Information disclosure in n/a

Medium 4.7 Published 8 Nov 2018 Updated 5 Aug 2024

Local attackers can read sensitive data by pre-creating temporary files that Keepalived overwrites, exposing internal state information.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2018-19046?

CVE-2018-19046 is a medium-severity vulnerability in n/a, published on 8 Nov 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

keepalived 2.0.8 didn't check for existing plain files when writing data to a temporary file upon a call to PrintData or PrintStats. If a local attacker had previously created a file with the expected name (e.g., /tmp/keepalived.data or /tmp/keepalived.stats), with read access for the attacker and write access for the keepalived process, then this potentially leaked sensitive information.

Weakness: CWE-200

Which versions are affected by CVE-2018-19046?

It affects 1 product.

Products include Keepalived Keepalived.

How do I fix CVE-2018-19046?

Apply the vendor's patch.

Is CVE-2018-19046 being exploited?

There is no known exploitation of CVE-2018-19046 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-19046, GHSA-fjwx-29fr-83hw, UBUNTU-CVE-2018-19046.