CVE-2014-4172: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

January 24, 2020 (updated February 12, 2020)

A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client, .NET CAS Client, and phpCAS that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.

References

nvd.nist.gov/vuln/detail/CVE-2014-4172

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