Cross-site request forgery in CF Deployment and Cloud Foundry UAA - CVE-2020-5402
Published: February 25, 2020
Vulnerability identifier: #VU25575
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-5402
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cloud Foundry Foundation
Affected software:
CF Deployment
Cloud Foundry UAA
CF Deployment
Cloud Foundry UAA
Detailed vulnerability description
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to the OAuth2 state parameter not being checked in the "callback" function when authenticating with external identity providers. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.
How to mitigate CVE-2020-5402
Install updates from vendor's website.