Vulnerability Monitor

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CVE-2017-1000071

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.

Published

2017-07-17T13:18:18.267

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apereo	phpcas	1.3.4	Yes

References

http://www.securityfocus.com/bid/99609 Third Party Advisory, VDB Entry ([email protected])
https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog Third Party Advisory ([email protected])
https://github.com/Jasig/phpCAS/issues/228 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/99609 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/Jasig/phpCAS/issues/228 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)