{"id":"CVE-2018-7644","aliases":["DEBIAN-CVE-2018-7644","DLA-1298-1","DSA-4127-1","EUVD-2022-3265","GHSA-923w-2xv2-7pr8","UBUNTU-CVE-2018-7644"],"status":"published","title":"SimpleSAMLphp Improper Verification of Cryptographic Signature","description":"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 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