CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
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.
Vendor | Product | Version | CPE |
---|---|---|---|
apereo | .net_cas_client | * | cpe:2.3:a:apereo:.net_cas_client:*:*:*:*:*:*:*:* |
apereo | java_cas_client | * | cpe:2.3:a:apereo:java_cas_client:*:*:*:*:*:*:*:* |
apereo | phpcas | * | cpe:2.3:a:apereo:phpcas:*:*:*:*:*:*:*:* |
debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
fedoraproject | fedora | 20 | cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* |
lists.fedoraproject.org/pipermail/package-announce/2014-August/137182.html
bugs.debian.org/cgi-bin/bugreport.cgi?bug=759718
bugzilla.redhat.com/show_bug.cgi?id=1131350
exchange.xforce.ibmcloud.com/vulnerabilities/95673
github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8d
github.com/Jasig/java-cas-client/commit/ae37092100c8eaec610dab6d83e5e05a8ee58814
github.com/Jasig/phpCAS/blob/master/docs/ChangeLog
github.com/Jasig/phpCAS/pull/125
issues.jasig.org/browse/CASC-228
www.debian.org/security/2014/dsa-3017.en.html
www.mail-archive.com/cas-user%40lists.jasig.org/msg17338.html
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
90.0%