CVE-2021-3457 Missing authorization in smart proxy shellhooks
Authenticated attackers can bypass authorization in the Foreman Shellhooks 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-2021-3457?
CVE-2021-3457 is a medium-severity missing authorization vulnerability in smart_proxy_shellhooks, published on 12 May 2021. 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 Shellhooks 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-2021-3457?
It affects 1 product.
Products include Theforeman Smart Proxy Shell Hooks.
How do I fix CVE-2021-3457?
No fix has been published for CVE-2021-3457 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-2021-3457 being exploited?
There is no known exploitation of CVE-2021-3457 in the wild and no public exploit code.
Sources
Also known as GHSA-wc66-56fw-mmp9.