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CVE-2017-12869

Date: September 1, 2017

The multiauth module in SimpleSAMLphp 1.14.13 and earlier allows remote attackers to bypass authentication context restrictions and use an authentication source defined in config/authsources.php via vectors related to improper validation of user input.

Language: PHP

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2017-12869
https://security-tracker.debian.org/tracker/CVE-2017-12869
https://simplesamlphp.org/security/201704-02
https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12869.yaml
https://github.com/simplesamlphp/simplesamlphp/blob/de98fc5bb663feea16686ae77958f759b4a7638d/docs/simplesamlphp-changelog-1.x.md?plain=1#L902C64-L902C79
https://www.debian.org/security/2018/dsa-4127
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
https://github.com/simplesamlphp/simplesamlphp
https://www.mend.io/vulnerability-database/CVE-2017-12869

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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