CVE-2017-1000071

CVSS V2 Medium 6.8 CVSS V3 High 8.1

Description

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.

Overview

CVE ID
CVE-2017-1000071

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2017-07-17T13:18:18

Last Modified Date
2019-10-03T00:03:26

Weakness Enumerations

CWE	URL
CWE-287	http://cwe.mitre.org/data/definitions/287.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:apereo:phpcas:1.3.4:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.1

Base Severity
HIGH

Exploitability Score
2.2

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/Jasig/phpCAS/issues/228	Third Party Advisory
https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog	Third Party Advisory
http://www.securityfocus.com/bid/99609	Third Party Advisory VDB Entry

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-1000071
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000071

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:17:56				Added to TrackCVE
2022-12-02 18:42:27	2017-07-17T13:18Z	2017-07-17T13:18:18	CVE Published Date	updated
2022-12-02 18:42:27		2019-10-03T00:03:26	CVE Modified Date	updated
2022-12-02 18:42:27		Analyzed	Vulnerability Status	updated