Vulnerability identifier: #VU19130

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6659

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cloud Foundry UAA
Server applications / Web servers
Cloud Foundry
Server applications / Web servers
Bosh Release for the UAA
Server applications / Virtualization software

Vendor: Cloud Foundry Foundation

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper authentication. A remote attacker can gain privileges by accessing UAA logs and subsequently running a specially crafted application that interacts with a configured SAML provider.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cloud Foundry UAA: 1.0.0 - 3.9.2

Cloud Foundry: 68 - 247

Bosh Release for the UAA: 2 - 23

---

External links
http://www.cloudfoundry.org/cve-2016-6659/
http://github.com/cloudfoundry-attic/cf-release/releases/tag/v248
http://github.com/cloudfoundry/uaa/releases/tag/3.9.3
http://github.com/cloudfoundry/uaa/releases/tag/3.6.5
http://github.com/cloudfoundry/uaa/releases/tag/2.7.4.12
http://github.com/cloudfoundry/uaa-release/releases/tag/v24
http://github.com/cloudfoundry/uaa-release/releases/tag/v13.9

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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