VULNERABILITY INTELLIGENCE
CVE-2017-12868
CVSS score9.8 CRITICAL
EPSS probability2.13%
CISA KEVNot currently listed
Published2017-09-01
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- CWE-384: Session Fixation
Primary references
- cve@mitre.org — Issue Tracking, Patch, Third Party Advisory
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory