CVE-2016-6637 Cloud Foundry vulnerable to Cross-Site Request Forgery

Critical 9.6 Published Updated

Attackers can hijack user authentication to approve or deny scopes via CSRF in Pivotal Cloud Foundry UAA and related components.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-6637?

CVE-2016-6637 is a critical vulnerability in n/a, published on 30 Sep 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Multiple cross-site request forgery (CSRF) vulnerabilities in Pivotal Cloud Foundry (PCF) before 242; UAA 2.x before 2.7.4.7, 3.x before 3.3.0.5, and 3.4.x before 3.4.4; UAA BOSH before 11.5 and 12.x before 12.5; Elastic Runtime before 1.6.40, 1.7.x before 1.7.21, and 1.8.x before 1.8.2; and Ops Manager 1.7.x before 1.7.13 and 1.8.x before 1.8.1 allow remote attackers to hijack the authentication of unspecified victims for requests that approve or deny a scope via a profile or authorize approval page.

Weakness: CWE-352

Which versions are affected by CVE-2016-6637?

8 open source packages ship an affected version, including org.cloudfoundry.identity:cloudfoundry-identity-server. It affects 5 products.

PackageAffectedFixed in
org.cloudfoundry.identity:cloudfoundry-identity-server MavenFrom 2.0.02.7.4.7
org.cloudfoundry.identity:cloudfoundry-identity-server MavenFrom 2.0.02.7.4.7
org.cloudfoundry.identity:cloudfoundry-identity-server MavenFrom 3.0.03.3.0.5
org.cloudfoundry.identity:cloudfoundry-identity-server MavenFrom 3.0.03.3.0.5
org.cloudfoundry.identity:cloudfoundry-identity-server MavenFrom 3.4.03.4.4
org.cloudfoundry.identity:cloudfoundry-identity-server MavenFrom 3.4.03.4.4
2 more packages
org.cloudfoundry.identity:cloudfoundry-identity-server MavenFrom 3.5.03.7.0
org.cloudfoundry.identity:cloudfoundry-identity-server MavenFrom 3.5.03.7.0

Products include Cloudfoundry Cloud Foundry Uaa Bosh, Pivotal Software Cloud Foundry, Pivotal Software Cloud Foundry Elastic Runtime, Pivotal Software Cloud Foundry Ops Manager, Pivotal Software Cloud Foundry Uaa.

How do I fix CVE-2016-6637?

Upgrade org.cloudfoundry.identity:cloudfoundry-identity-server to a fixed version for your release line: 2.7.4.7, 3.3.0.5, 3.4.4 or 3.7.0.

Is CVE-2016-6637 being exploited?

There is no known exploitation of CVE-2016-6637 in the wild and no public exploit code.

Sources

Also known as GHSA-4m8c-h7fr-gq5c.

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