Critical, CVSS 9.8PackagistPublished
Jasig Java CAS Client, .NET CAS Client, and phpCAS contain URL parameter injection vulnerability
CVE-2014-4172 · GHSA-9fc5-q25c-r2wr
- Affected
- Packagist jasig/phpcas < 1.3.3
- Fixed in
- 1.3.3· Vendor fix available
- Issue
- A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 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.
Recommended action: Upgrade to 1.3.3 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.