Incorrect permission assignment for critical resource in Cloud Controller and CF Deployment - CVE-2020-5417

 

Incorrect permission assignment for critical resource in Cloud Controller and CF Deployment - CVE-2020-5417

Published: September 1, 2020


Vulnerability identifier: #VU46181
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2020-5417
CWE-ID: CWE-732
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the sysem.

The vulnerability exists when the affected software is used in a deployment where an app domain is also the system domain. A remote authenticated attacker can claim certain sensitive routes, potentially resulting in the developer’s app handling some requests that were expected to go to certain system components. 


Affected software

Cloud Controller
CF Deployment
VMware Tanzu Application Service for VMs

How to mitigate CVE-2020-5417

Install updates from vendor's website.

Cloud Controller - update to 1.97.0
CF Deployment - update to 13.12.0
VMware Tanzu Application Service for VMs - addressed in versions 2.7.28, 2.8.22, 2.9.16, 2.10.8

External References

Related Security Bulletins