{"id":"UBUNTU-CVE-2023-0284","details":"Improper Input Validation of LDAP user IDs in Tribe29 Checkmk allows attackers that can control LDAP user IDs to manipulate files on the server. Checkmk \u003c= 2.1.0p19, Checkmk \u003c= 2.0.0p32, and all versions of Checkmk 1.6.0 (EOL) are affected.","modified":"2025-10-24T05:01:03Z","published":"2023-01-26T21:18:00Z","upstream":["CVE-2023-0284"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-0284"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-0284"}],"affected":[{"package":{"name":"check-mk","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/check-mk@1.2.6p12-1ubuntu0.16.04.1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.6p5-1","1.2.6p12-1","1.2.6p12-1ubuntu0.16.04.1","1.2.6p12-1ubuntu0.16.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"check-mk-agent","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_name":"check-mk-agent-logwatch","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_name":"check-mk-config-icinga","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_name":"check-mk-config-nagios3","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_name":"check-mk-livestatus","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1","binary_name":"check-mk-multisite"},{"binary_name":"check-mk-server","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-0284.json"}},{"package":{"name":"check-mk","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/check-mk@1.2.8p16-1ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8p16-1ubuntu0.1","1.2.8p16-1ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"check-mk-agent","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-agent-logwatch","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-config-icinga","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-livestatus","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-multisite","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-server","binary_version":"1.2.8p16-1ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-0284.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}