CVE-2018-15754 UAA can issue tokens across identity providers if users with matching usernames exist
Authenticated users can obtain tokens for accounts in other identity providers if usernames match, enabling unauthorized access.
- 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-2018-15754?
CVE-2018-15754 is a medium-severity authentication bypass vulnerability in Cloud Foundry UAA Release, published on 13 Dec 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cloud Foundry UAA, versions 60 prior to 66.0, contain an authorization logic error. In environments with multiple identity providers that contain accounts across identity providers with the same username, a remote authenticated user with access to one of these accounts may be able to obtain a token for an account of the same username in the other identity provider.
Weakness: CWE-863
Which versions are affected by CVE-2018-15754?
It affects 1 product.
Products include Pivotal Software Cloud Foundry Uaa-Release.
How do I fix CVE-2018-15754?
No fix has been published for CVE-2018-15754 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2018-15754 being exploited?
There is no known exploitation of CVE-2018-15754 in the wild and no public exploit code.
Other vulnerabilities in Cloud Foundry UAA Release
Sources
Also known as GHSA-6c8m-9r93-f9rp.