Cloud Foundry UAA Privilege Escalation
Date: 2022-05
Affected: maven/org.cloudfoundry.identity:cloudfoundry-identity-server
Attack vector: other
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2018-15761
CVSS: 8.8 (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.


Mitigations:

Architectural layers (MAESTRO):