PT-2020-7671 · Jasig · Jasig Java Cas Client

Marvin Addison · Published 2014-09-24 · Updated 2022-05-17 · CVE-2014-4172

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Jasig Java CAS Client versions prior to 3.3.2 .NET CAS Client versions prior to 1.0.2 phpCAS versions prior to 1.3.3

Description A URL parameter injection issue was found in the CAS protocol, specifically in the back-channel ticket validation step. This allows remote attackers to inject arbitrary web script or HTML via the service parameter to validation/AbstractUrlBasedTicketValidator.java or the pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.

Recommendations For Jasig Java CAS Client versions prior to 3.3.2, update to version 3.3.2 or later. For .NET CAS Client versions prior to 1.0.2, update to version 1.0.2 or later. For phpCAS versions prior to 1.3.3, update to version 1.3.3 or later.

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

CVE-2014-4172

DSA-3017-1

GHSA-9FC5-Q25C-R2WR

MGASA-2014-0387

Affected Products

Jasig Java Cas Client

References · 24

• https://github.com/Jasig/java-cas-client/commit/ae37092100c8eaec610dab6d83e5e05a8ee58814 · Patch
• https://github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8d · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2014-4172 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2014-4172 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2014-4172 · Vendor Advisory
• https://debian.org/security/2014/dsa-3017.en.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2014-4172 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2014-0387 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2014-4172 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2014-4172 · Security Note
• https://advisories.mageia.org/MGASA-2014-0387.html · Security Note
• https://ubuntu.com/security/CVE-2014-4172 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-9fc5-q25c-r2wr · Vendor Advisory
• https://github.com/apereo/java-cas-client/commit/266eba7c2d870d70caba6f41576d19f2fcc869b1 · Note
• https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog · Note