URL Parameter Injection Affecting org.jasig.cas:cas-client-core package, versions [,3.3.2)

  • Attack Complexity


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  • snyk-id


  • published

    25 Dec 2016

  • disclosed

    25 Dec 2016

  • credit


How to fix?

Upgrade org.jasig.cas:cas-client-core to version 3.3.2 or higher.


org.jasig.cas:cas-client-core is a Java CAS client.

Affected versions of this package are vulnerable to URL Parameter Injection. It was found that URL encoding used in the back-channel ticket validation of the JA-SIG CAS client was improper. A remote attacker could exploit this flaw to bypass security constraints by injecting URL parameters