SimpleSAMLphp Session fixation issue and authentication bypass in the authcrypt module

심각 9.8CVE-2017-12868 · GHSA-j96g-47x2-46hv · Published 01/09/2017 · updated 17/06/2026

요약

CVE-2017-12868은(는) simplesamlphp/simplesamlphp, simplesamlphp (simplesamlphp)에 영향을 주는 심각 (CVSS 9.8) 취약점입니다.
향후 30일 내 악용 확률(EPSS): 2.1%, 전체 취약점의 82.0%보다 높음.
조치: 1.14.14 이상으로 업데이트하세요.

Package	Affected versions	Patched versions
simplesamlphp/simplesamlphp Packagist	`≥ 1.14.12, < 1.14.14`	`1.14.14`
simplesamlphp simplesamlphp	`≤ 1.14.13`	No fix yet

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.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2017-12868 · ADVISORY
simplesamlphp/simplesamlphp commit 4bc6296 · WEB
FriendsOfPHP/security-advisories · WEB
simplesamlphp/simplesamlphp · PACKAGE
lists.debian.org/debian-lts-announce/2017/12/msg00007.html · WEB
lists.debian.org/debian-lts-announce/2018/06/msg00017.html · WEB
simplesamlphp.org/security/201705-01 · WEB

simplesamlphp/simplesamlphp의 다른 취약점

모두 보기 →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

simplesamlphp/simplesamlphp

Packagist

≥ 1.14.12, < 1.14.14

1.14.14

simplesamlphp

≤ 1.14.13

No fix yet

Description

NVD description

simplesamlphp/simplesamlphp의 다른 취약점

모두 보기 →