Werk #13196: More secure password hashing

Komponente Setup
Titel More secure password hashing
Datum 22.12.2021
Checkmk Edition Checkmk Raw (CRE)
Checkmk-Version 2.1.0b1
Level Kleine Änderung
Klasse Sicherheitsfix
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen

Passwords of local users were stored with SHA256-Crypt and 535000 rounds. Best practice is bcrypt. Checkmk supports basic-auth and used to support Apache2.2. Since bcrypt support was only added to Apache 2.4, SHA256-Crypt was used.

Apache 2.2 is no longer maintained and all supported operating systems come with Apache 2.4. Therefore bcrypt is now used. The existing passwords will not be modified or invalidated. They can still be read by Checkmk. Newly set passwords via Web UI are now hashed with bcrypt.

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