The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| simplesamlphp/saml2(Packagist) | 1.10 | 1.10.3 | N/A |
| simplesamlphp/saml2(Packagist) | 0 | 1.8.1 | N/A |
| simplesamlphp/saml2(Packagist) | 1.9.0 | 1.9.1 | N/A |
| simplesamlphp/saml2(Packagist) | 2.0 | 2.3.3 | N/A |
CVSS Metrics
