Input validation error in Cloud Foundry UAA - CVE-2018-15761

 

Input validation error in Cloud Foundry UAA - CVE-2018-15761

Published: November 19, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU36394
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-15761
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cloud Foundry Foundation
Affected software:
Cloud Foundry UAA

Detailed vulnerability description

The vulnerability allows a remote authenticated user to execute arbitrary code.

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.


How to mitigate CVE-2018-15761

Install update from vendor's website.

Sources