CVE-2014-4172 — Vulnerability in DotNetCasClient — CVE Details

CRITICAL

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

Published May 17, 2022Updated April 12, 2024Source: osv

Summary

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.

Advisory Timeline

First published May 17, 2022 (1609 days ago).
Last revised April 12, 2024 — 696 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet

Update DotNetCasClient to 1.0.2 or later

dotnet add package DotNetCasClient --version 1.0.2

Composer

Update jasig/phpcas to 1.3.3 or later

composer require "jasig/phpcas:^1.3.3"

Maven

Update org.jasig.cas:cas-client to 3.3.2 or later

<!-- Update pom.xml dependency version to 3.3.2 for org.jasig.cas:cas-client -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (3)

Affects 3 ecosystems: maven (1), nuget (1), packagist (1).

Package	Ecosystem	Affected	Fixed In
DotNetCasClient	nuget	1.0.0, 1.0.1	1.0.2
jasig/phpcas	packagist	All versions	1.3.3
org.jasig.cas:cas-client	maven	3.0, 3.0-rc1, 3.0-rc2, 3.1 (+17 more)	3.3.2

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-74
View on MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2014-4172?: Jasig Java CAS Client, .NET CAS Client, and phpCAS contain URL parameter injection vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2014-4172?: CVE-2014-4172 affects DotNetCasClient, jasig/phpcas and org.jasig.cas:cas-client. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2014-4172 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-9fc5-q25c-r2wr

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