CVE Vulnerabilities

CVE-2017-1000071

Improper Authentication

Published: Jul 17, 2017 | Modified: Oct 03, 2019
CVSS 3.x
8.1
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.

Weakness

When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.

Affected Software

Name Vendor Start Version End Version
Phpcas Apereo 1.3.4 1.3.4
Php-cas Ubuntu artful *
Php-cas Ubuntu bionic *
Php-cas Ubuntu cosmic *
Php-cas Ubuntu trusty *
Php-cas Ubuntu upstream *
Php-cas Ubuntu xenial *
Php-cas Ubuntu yakkety *
Php-cas Ubuntu zesty *

Potential Mitigations

References