Sensitive host secret disclosed in cmk-update-agent.log file in Tribe29s Checkmk <= 2.1.0p13, Checkmk <= 2.0.0p29, and all versions of Checkmk 1.6.0 (EOL) allows an attacker to gain access to the host secret through the unprotected agent updater log file.
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Checkmk | Tribe29 | 2.1.0 (including) | 2.1.0 (including) |
| Checkmk | Tribe29 | 2.1.0-b1 (including) | 2.1.0-b1 (including) |
| Checkmk | Tribe29 | 2.1.0-b2 (including) | 2.1.0-b2 (including) |
| Checkmk | Tribe29 | 2.1.0-b3 (including) | 2.1.0-b3 (including) |
| Checkmk | Tribe29 | 2.1.0-b4 (including) | 2.1.0-b4 (including) |
| Checkmk | Tribe29 | 2.1.0-b5 (including) | 2.1.0-b5 (including) |
| Checkmk | Tribe29 | 2.1.0-b6 (including) | 2.1.0-b6 (including) |
| Checkmk | Tribe29 | 2.1.0-b7 (including) | 2.1.0-b7 (including) |
| Checkmk | Tribe29 | 2.1.0-b8 (including) | 2.1.0-b8 (including) |
| Checkmk | Tribe29 | 2.1.0-b9 (including) | 2.1.0-b9 (including) |
| Checkmk | Tribe29 | 2.1.0-p1 (including) | 2.1.0-p1 (including) |
| Checkmk | Tribe29 | 2.1.0-p10 (including) | 2.1.0-p10 (including) |
| Checkmk | Tribe29 | 2.1.0-p11 (including) | 2.1.0-p11 (including) |
| Checkmk | Tribe29 | 2.1.0-p12 (including) | 2.1.0-p12 (including) |
| Checkmk | Tribe29 | 2.1.0-p13 (including) | 2.1.0-p13 (including) |
| Checkmk | Tribe29 | 2.1.0-p2 (including) | 2.1.0-p2 (including) |
| Checkmk | Tribe29 | 2.1.0-p3 (including) | 2.1.0-p3 (including) |
| Checkmk | Tribe29 | 2.1.0-p4 (including) | 2.1.0-p4 (including) |
| Checkmk | Tribe29 | 2.1.0-p5 (including) | 2.1.0-p5 (including) |
| Checkmk | Tribe29 | 2.1.0-p6 (including) | 2.1.0-p6 (including) |
| Checkmk | Tribe29 | 2.1.0-p7 (including) | 2.1.0-p7 (including) |
| Checkmk | Tribe29 | 2.1.0-p8 (including) | 2.1.0-p8 (including) |
| Checkmk | Tribe29 | 2.1.0-p9 (including) | 2.1.0-p9 (including) |
While logging all information may be helpful during development stages, it is important that logging levels be set appropriately before a product ships so that sensitive user data and system information are not accidentally exposed to potential attackers. Different log files may be produced and stored for: