Cloud Foundry UAA up to 4.19.0 Login Page form redirect

Summaryinfo

A vulnerability was found in Cloud Foundry UAA up to 4.19.0 and classified as problematic. Affected is an unknown function of the component Login Page. The manipulation of the argument form as part of Parameter results in redirect. This vulnerability is cataloged as CVE-2018-11041. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Cloud Foundry UAA up to 4.19.0 (Cloud Software). Affected is an unknown code of the component Login Page. The manipulation of the argument form as part of a Parameter leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 06/21/2018. The weakness was shared 06/25/2018 (Website). The advisory is shared for download at cloudfoundry.org. This vulnerability is traded as CVE-2018-11041 since 05/14/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1204.001.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Cloud Software

Name

• Cloud Foundry UAA

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19.0

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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• 🔍
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Once again VulDB remains the best source for vulnerability data.

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