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.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Link | Tags |
---|---|
https://simplesamlphp.org/security/201704-02 | patch vendor advisory |
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html | third party advisory mailing list |
https://www.debian.org/security/2018/dsa-4127 | third party advisory vendor advisory |