CVE-2017-12868

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.

Score

CVSS 3.0 9.8 Critical

Status

Modified - cve@mitre.org

Published

2017-09-01

Last modified

2024-08-05

Weaknesses

CWE-384

Affected products

• Simplesamlphp (Simplesamlphp)

References

• https://github.com/simplesamlphp/simplesamlphp/commit/4bc629658e7b7d17c9ac3fe0da7dc5df71f1b85e
• https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
• https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html
• https://simplesamlphp.org/security/201705-01