{"id":"GHSA-ww3w-592j-5qrw","aliases":["CVE-2017-12871"],"title":"SimpleSAMLphp Incorrect IV generation for encryption","description":"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(IV).","severity":"medium","score":5.9,"published":"2022-05-17T01:17:12.000Z","modified":"2024-04-25T21:26:44.794Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"simplesamlphp/simplesamlphp","ranges":[{"events":[{"introduced":"1.14.0"},{"fixed":"1.14.12"}],"type":"ECOSYSTEM"}],"versions":["v1.14.0","v1.14.1","v1.14.10","v1.14.11","v1.14.2","v1.14.3","v1.14.4","v1.14.5","v1.14.6","v1.14.7","v1.14.8","v1.14.9"],"fixed":["1.14.12"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2017-12871","https://github.com/simplesamlphp/simplesamlphp/commit/77df6a932d46daa35e364925eb73a175010dc904","https://github.com/simplesamlphp/simplesamlphp/commit/ccf75981187aa88f7165abdb1b1965c0934acda0","https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12871.yaml","https://github.com/simplesamlphp/simplesamlphp","https://simplesamlphp.org/security/201703-02"],"sources":[{"name":"OSV","id":"GHSA-ww3w-592j-5qrw","modified":"2024-04-25T21:26:44.794344Z","url":"https://osv.dev/vulnerability/GHSA-ww3w-592j-5qrw"}],"assessments":[{"source":"OSV","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9}]}