CVE-2019-4119 Server-side request forgery in Cloud Private

Low 3.1 Published 17 May 2019 Updated 16 Sep 2024

Attackers can exploit the Kubernetes API server as an HTTP proxy to access external IP addresses, potentially bypassing network restrictions.

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-2019-4119?

CVE-2019-4119 is a low-severity server-side request forgery vulnerability in IBM Cloud Private, published on 17 May 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Cloud Private Kubernetes API server 2.1.0, 3.1.0, 3.1.1, and 3.1.2 can be used as an HTTP proxy to not only cluster internal but also external target IP addresses. IBM X-Force ID: 158145.

Which versions are affected by CVE-2019-4119?

It affects 1 product.

Products include Ibm Cloud Private.

How do I fix CVE-2019-4119?

No fix has been published for CVE-2019-4119 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2019-4119 being exploited?

There is no known exploitation of CVE-2019-4119 in the wild and no public exploit code.

Sources

Also known as GHSA-rv59-69qx-jg7m.