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osvGoogleOSV:GHSA-9FC5-Q25C-R2WR
HistoryMay 17, 2022 - 7:57 p.m.

Jasig Java CAS Client, .NET CAS Client, and phpCAS contain URL parameter injection vulnerability

2022-05-1719:57:18
Google
osv.dev
10
jasig java cas client
.net client
phpcas
url parameter injection
vulnerability
back-channel ticket
cas protocol
remote attackers
arbitrary web script
html
service parameter
pgturl parameter
validation.

EPSS

0.024

Percentile

90.0%

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.