SimpleSAMLphp Incorrect IV generation for encryption
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).
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2017-12871US | medium5.9 | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12871.yamlWEB
- https://github.com/simplesamlphp/simplesamlphpPACKAGE
- https://github.com/simplesamlphp/simplesamlphp/commit/77df6a932d46daa35e364925eb73a175010dc904WEB
- https://github.com/simplesamlphp/simplesamlphp/commit/ccf75981187aa88f7165abdb1b1965c0934acda0WEB
- https://nvd.nist.gov/vuln/detail/CVE-2017-12871ADVISORY
- https://simplesamlphp.org/security/201703-02WEB
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