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CVE-2016-6637: Pivotal Software Cloud Foundry: Cross-Site Request Forgery

CVE-2016-6637 is rated critical with a CVSS v3.0 base score of 9.6 and affects Pivotal Software Cloud Foundry, along with 4 other products in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability 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.

Severity breakdown

CVSS v3.0 9.6: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: Required. A user must take an action, such as opening a file or following a link.
  • Scope: Changed. Impact reaches beyond the vulnerable component to other resources.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-352: Cross-Site Request Forgery

The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.

Affected products

  • Pivotal Software Cloud Foundry: up to and including 241
  • Cloud Foundry Uaa Bosh: up to and including 15.0
  • Pivotal Software Cloud Foundry Elastic Runtime: 1.6.0; 1.6.1; 1.6.2; 1.6.3; 1.6.4; 1.6.5; 1.6.6; 1.6.7; 1.6.8; 1.6.9; 1.6.10; 1.6.11
  • Pivotal Software Cloud Foundry Ops Manager: 1.7.0; 1.7.1; 1.7.2; 1.7.3; 1.7.4; 1.7.5; 1.7.6; 1.7.7; 1.7.8; 1.7.9; 1.7.10; 1.7.11
  • Pivotal Software Cloud Foundry Uaa: 2.3.0; 2.3.1; 2.4.0; 2.5.1; 2.6.1; 2.7.0.2; 2.7.0.3; 2.7.1; 2.7.2; 2.7.3; 2.7.4.6; 3.0.0

References