CVE-2021-3456 Missing authorization in smart proxy salt
Authenticated attackers can bypass authorization in the Foreman Salt plugin to delete resources and cause denial of service.
- 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-2021-3456?
CVE-2021-3456 is a high-severity missing authorization vulnerability in smart_proxy_salt, published on 30 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An improper authorization handling flaw was found in Foreman. The Salt plugin for the smart-proxy allows foreman clients to execute actions that should be limited to the Foreman Server. This flaw allows an authenticated local attacker to access and delete limited resources and also causes a denial of service on the Foreman server. The highest threat from this vulnerability is to integrity and system availability.
Weakness: CWE-863
Which versions are affected by CVE-2021-3456?
It affects 1 product.
Products include Theforeman Smart Proxy Salt.
How do I fix CVE-2021-3456?
No fix has been published for CVE-2021-3456 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-3456 being exploited?
There is no known exploitation of CVE-2021-3456 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-2j5r-64m5-jpx3.