CVE-2019-18905 Deprecated functionality in autoyast2 automatically imports gpg keys without checking them

Medium 4.8 Published Updated

Attackers can bypass GPG key verification during image creation via deprecated autoyast functionality, enabling man-in-the-middle attacks on SUSE Linux Enterprise Server.

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

What is CVE-2019-18905?

CVE-2019-18905 is a medium-severity vulnerability in SUSE Linux Enterprise Server 12, published on 3 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Insufficient Verification of Data Authenticity vulnerability in autoyast2 of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15 allows remote attackers to MITM connections when deprecated and unused functionality of autoyast is used to create images. This issue affects: SUSE Linux Enterprise Server 12 autoyast2 version 4.1.9-3.9.1 and prior versions. SUSE Linux Enterprise Server 15 autoyast2 version 4.0.70-3.20.1 and prior versions.

Weakness: CWE-345

Which versions are affected by CVE-2019-18905?

It affects 1 product.

Linux distribution packages (2)
autoyast2 SUSE:Linux Enterprise Module for Basesystem 15 SP1All versions4.1.15-3.13.1
autoyast2 openSUSE:Leap 15.1All versions4.1.15-lp151.2.12.1

Products include Opensuse Autoyast2.

How do I fix CVE-2019-18905?

Apply the vendor's patch.

Is CVE-2019-18905 being exploited?

There is no known exploitation of CVE-2019-18905 in the wild and no public exploit code.

Sources

Also known as GHSA-fp46-x6qh-pvgg, SUSE-SU-2020:1296-1, openSUSE-SU-2020:0676-1, openSUSE-SU-2024:10642-1.

Is CVE-2019-18905 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free