Permissions, Privileges, and Access Controls in Cloud Foundry UAA

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU21088

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11278

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the affected software allows external input to be directly queried against. A remote authenticated attacker with ‘client.write’ and ‘groups.update’ can craft a SCIM query, escalate privileges and gain control of UAA scopes they should not have.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cloud Foundry UAA: 1.0.0 - 74.0.0

External links

http://www.cloudfoundry.org/blog/cve-2019-11278/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.