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

Severity

98%

Complexity

39%

Confidentiality

98%

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.

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.

CVSS 3.1 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 5 years ago

2020-01-24 19:15:00

Last updated 5 years ago

2020-02-12 15:18:00

Affected Software

Debian Linux 7.0

7.0

Fedora 20

20

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/137182.html

Third Party Advisory

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759718

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1131350

Issue Tracking, Third Party Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/95673

Third Party Advisory, VDB Entry

https://github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8d

Patch, Third Party Advisory

https://github.com/Jasig/java-cas-client/commit/ae37092100c8eaec610dab6d83e5e05a8ee58814

Patch, Third Party Advisory

https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog

Release Notes, Third Party Advisory

https://github.com/Jasig/phpCAS/pull/125

Third Party Advisory

https://issues.jasig.org/browse/CASC-228

Third Party Advisory

https://www.debian.org/security/2014/dsa-3017.en.html

Third Party Advisory

https://www.mail-archive.com/[email protected]/msg17338.html

Patch, Third Party Advisory

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