Advisory Published
Advisory Published
Updated

CVE-2018-15761: UAA Privilege Escalation

First published: Mon Nov 19 2018(Updated: )

Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.

Credit: security_alert@emc.com security_alert@emc.com

Affected SoftwareAffected VersionHow to fix
Pivotal Software Cloud Foundry Uaa<4.23.0
Pivotal Software Cloudfoundry Uaa Release<64.0
maven/org.cloudfoundry.identity:cloudfoundry-identity-server<4.23.0
4.23.0

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Frequently Asked Questions

  • What is CVE-2018-15761?

    CVE-2018-15761 is a vulnerability in Cloud Foundry UAA and UAA release versions that allows for privilege escalation.

  • What is the severity of CVE-2018-15761?

    CVE-2018-15761 has a severity rating of 8.8 (critical).

  • Which software versions are affected by CVE-2018-15761?

    Cloud Foundry UAA versions prior to 4.23.0 and UAA release versions prior to v64.0 are affected by CVE-2018-15761.

  • How can the privilege escalation be exploited in CVE-2018-15761?

    A remote authenticated user can modify the consent page URL and content to gain a token with arbitrary scopes, thereby escalating their privileges.

  • Where can I find more information about CVE-2018-15761?

    You can find more information about CVE-2018-15761 at the following link: https://www.cloudfoundry.org/blog/cve-2018-15761/

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