{"id":"GHSA-923w-2xv2-7pr8","summary":"SimpleSAMLphp Improper Verification of Cryptographic Signature","details":"The XmlSecLibs library as used in the saml2 library in SimpleSAMLphp before 1.15.3 incorrectly verifies signatures on SAML assertions, allowing a remote attacker to construct a crafted SAML assertion on behalf of an Identity Provider that would pass as cryptographically valid, thereby allowing them to impersonate a user from that Identity Provider, aka a key confusion issue.","aliases":["CVE-2018-7644"],"modified":"2024-04-25T21:27:05.300194Z","published":"2022-05-13T01:53:23Z","database_specific":{"github_reviewed_at":"2024-04-25T21:00:32Z","nvd_published_at":"2018-03-05T14:29:00Z","cwe_ids":["CWE-347"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7644"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2018-7644.yaml"},{"type":"PACKAGE","url":"https://github.com/simplesamlphp/simplesamlphp"},{"type":"WEB","url":"https://simplesamlphp.org/security/201802-01"}],"affected":[{"package":{"name":"simplesamlphp/saml2","ecosystem":"Packagist","purl":"pkg:composer/simplesamlphp/saml2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5"}]}],"versions":["v0.1.0","v0.1.0-alpha","v0.3.0","v0.4.0","v0.4.1","v0.4.2","v0.5.0","v0.6.0","v0.6.1","v0.6.2","v0.6.3","v0.6.4","v0.7.0","v0.7.1","v0.8.0","v0.8.1","v1.0.0","v1.1.0","v1.10","v1.10.1","v1.10.2","v1.10.3","v1.10.4","v1.2.0","v1.3.0","v1.3.1","v1.3.2","v1.4.0","v1.5.0","v1.5.1","v1.5.2","v1.5.3","v1.5.4","v1.6.0","v1.6.1","v1.7.0","v1.7.1","v1.7.2","v1.8","v1.8.1","v1.8.2","v1.9","v1.9.1","v1.9.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-923w-2xv2-7pr8/GHSA-923w-2xv2-7pr8.json"}},{"package":{"name":"simplesamlphp/saml2","ecosystem":"Packagist","purl":"pkg:composer/simplesamlphp/saml2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0"},{"fixed":"2.3.7"}]}],"versions":["v2.0.0","v2.0.1","v2.1","v2.2","v2.3","v2.3.1","v2.3.2","v2.3.3","v2.3.4","v2.3.5","v2.3.6"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-923w-2xv2-7pr8/GHSA-923w-2xv2-7pr8.json"}},{"package":{"name":"simplesamlphp/saml2","ecosystem":"Packagist","purl":"pkg:composer/simplesamlphp/saml2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0"},{"fixed":"3.1.3"}]}],"versions":["v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.1.0","v3.1.1","v3.1.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-923w-2xv2-7pr8/GHSA-923w-2xv2-7pr8.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}