CVE-2017-12868

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The secureCompare method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.13 and earlier, when used with PHP before 5.6, allows attackers to conduct session fixation attacks or possibly bypass authentication by leveraging missing character conversions before an XOR operation.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-384

Affected software

No affected versions have been published.

Timeline

Published: Sep 1, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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