Critical severity9.8NVD Advisory· Published Sep 1, 2017· Updated Jun 17, 2026
CVE-2017-12868
CVE-2017-12868
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
simplesamlphp/simplesamlphpPackagist | >= 1.14.12, < 1.14.14 | 1.14.14 |
Affected products
2Patches
Vulnerability mechanics
References
7- github.com/simplesamlphp/simplesamlphp/commit/4bc629658e7b7d17c9ac3fe0da7dc5df71f1b85envdIssue TrackingPatchThird Party AdvisoryWEB
- simplesamlphp.org/security/201705-01nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-j96g-47x2-46hvghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2017-12868ghsaADVISORY
- github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12868.yamlghsaWEB
- lists.debian.org/debian-lts-announce/2017/12/msg00007.htmlnvdWEB
- lists.debian.org/debian-lts-announce/2018/06/msg00017.htmlnvdWEB
News mentions
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