CVE-2020-5417 Cloud Controller may allow developers to claim sensitive routes
Developers can claim sensitive system routes in Cloud Foundry, allowing their apps to intercept system component requests.
- 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-2020-5417?
CVE-2020-5417 is a high-severity missing authorization vulnerability in Cloud Foundry CAPI, published on 21 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cloud Foundry CAPI (Cloud Controller), versions prior to 1.97.0, when used in a deployment where an app domain is also the system domain (which is true in the default CF Deployment manifest), were vulnerable to developers maliciously or accidentally claiming certain sensitive routes, potentially resulting in the developer's app handling some requests that were expected to go to certain system components.
Weakness: CWE-732
Which versions are affected by CVE-2020-5417?
It affects 2 products.
Products include Cloudfoundry Capi-Release, Cloudfoundry Cf-Deployment.
How do I fix CVE-2020-5417?
No fix has been published for CVE-2020-5417 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-2020-5417 being exploited?
There is no known exploitation of CVE-2020-5417 in the wild and no public exploit code.
Other vulnerabilities in Cloud Foundry CAPI
- CVE-2018-1195 Auth bypass in Cloud Controller
- CVE-2023-20881 Missing authorization in Cloud Controller API
- CVE-2018-1266 Path traversal in n/a
- CVE-2020-5400 Cloud Controller logs environment variables from app manifests
- CVE-2017-8033 Path traversal in Cloud Controller API CAPI-release versions prior to v1.35.0 and cf-release versions prior to v268
Sources
Also known as GHSA-jq2q-gqc9-53g3.