#VU37015 Open redirect in Cloud Foundry UAA - CVE-2018-11041

Vulnerability identifier: #VU37015

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-11041

CWE-ID: CWE-601

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cloud Foundry UAA
Server applications / Web servers

Vendor: Cloud Foundry Foundation

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Cloud Foundry UAA, versions later than 4.6.0 and prior to 4.19.0 except 4.10.1 and 4.7.5 and uaa-release versions later than v48 and prior to v60 except v55.1 and v52.9, does not validate redirect URL values on a form parameter used for internal UAA redirects on the login page, allowing open redirects. A remote attacker can craft a malicious link that, when clicked, will redirect users to arbitrary websites after a successful login attempt.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cloud Foundry UAA: 4.0.0 - 4.18.0

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External links
https://www.cloudfoundry.org/blog/cve-2018-11041/

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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.