CVE-2023-4456 Openshift-logging: lokistack authorisation is cached too broadly
Attackers can perform unauthorized actions by exploiting overly broad authorization caching in OpenShift Logging LokiStack.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-4456?
CVE-2023-4456 is a medium-severity missing authorization vulnerability in Red Hat RHOL-5.5-RHEL-8, published on 21 Aug 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.
Weakness: CWE-1220
Which versions are affected by CVE-2023-4456?
It affects 1 product.
Products include Redhat Openshift Logging.
How do I fix CVE-2023-4456?
No fix has been published for CVE-2023-4456 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-2023-4456 being exploited?
There is no known exploitation of CVE-2023-4456 in the wild and no public exploit code.
Sources
Also known as GHSA-ccmh-37rx-6pp5.