{"id":"UBUNTU-CVE-2017-12871","details":"The aesEncrypt method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.x through 1.14.11 makes it easier for context-dependent attackers to bypass the encryption protection mechanism by leveraging use of the first 16 bytes of the secret key as the initialization vector (IV).","modified":"2026-09-15T20:16:38.414593587Z","published":"2017-09-01T21:29:00Z","upstream":["CVE-2017-12871"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-12871"},{"type":"REPORT","url":"https://simplesamlphp.org/security/201703-02"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-12871"}],"affected":[{"package":{"name":"simplesamlphp","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/simplesamlphp?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.2-1","1.14.0-1","1.14.0-1ubuntu2","1.14.0-1ubuntu2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"simplesamlphp","binary_version":"1.14.0-1ubuntu2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-12871.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}