CVE-2020-5402 UAA fails to check the state parameter when authenticating with external IDPs
Attackers can exploit missing state parameter checks in Cloud Foundry UAA to perform CSRF attacks against users authenticating with external identity providers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-5402?
CVE-2020-5402 is a high-severity vulnerability in Cloud Foundry UAA, published on 27 Feb 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In Cloud Foundry UAA, versions prior to 74.14.0, a CSRF vulnerability exists due to the OAuth2 state parameter not being checked in the callback function when authenticating with external identity providers.
Weakness: CWE-352
Which versions are affected by CVE-2020-5402?
It affects 2 products.
Products include Cloudfoundry Cf-Deployment, Cloudfoundry User Account and Authentication.
How do I fix CVE-2020-5402?
No fix has been published for CVE-2020-5402 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5402 being exploited?
There is no known exploitation of CVE-2020-5402 in the wild and no public exploit code.
Other vulnerabilities in Cloud Foundry UAA
- CVE-2022-31733 Auth bypass in Cloud Foundry Diego and CF Deployment
- CVE-2019-11293 UAA logs all query parameters with debug logging level
- CVE-2019-11290 Cloud Foundry UAA logs query parameters in tomcat access file
- CVE-2019-11283 Password leak in smbdriver logs
- CVE-2018-1191 Information disclosure in Garden-runC
Sources
Also known as GHSA-5fqw-8f7q-58m9.