{"id":"UBUNTU-CVE-2024-45160","details":"Incorrect credential validation in LemonLDAP::NG 2.18.x and 2.19.x before 2.19.2 allows attackers to bypass OAuth2 client authentication via an empty client_password parameter (client secret).","modified":"2025-10-24T05:12:19Z","published":"2024-10-09T05:15:00Z","upstream":["CVE-2024-45160"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-45160"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-45160"},{"type":"REPORT","url":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3223"}],"affected":[{"package":{"name":"lemonldap-ng","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/lemonldap-ng@1.4.6-3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.3-1","1.4.6-1","1.4.6-2","1.4.6-3"],"ecosystem_specific":{"binaries":[{"binary_name":"lemonldap-ng","binary_version":"1.4.6-3"},{"binary_name":"liblemonldap-ng-common-perl","binary_version":"1.4.6-3"},{"binary_name":"liblemonldap-ng-conf-perl","binary_version":"1.4.6-3"},{"binary_name":"liblemonldap-ng-handler-perl","binary_version":"1.4.6-3"},{"binary_name":"liblemonldap-ng-manager-perl","binary_version":"1.4.6-3"},{"binary_name":"liblemonldap-ng-portal-perl","binary_version":"1.4.6-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-45160.json"}},{"package":{"name":"lemonldap-ng","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/lemonldap-ng@1.9.16-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.10-1","1.9.13-2","1.9.14-1","1.9.15-1","1.9.16-2"],"ecosystem_specific":{"binaries":[{"binary_name":"lemonldap-ng","binary_version":"1.9.16-2"},{"binary_version":"1.9.16-2","binary_name":"lemonldap-ng-fastcgi-server"},{"binary_name":"lemonldap-ng-handler","binary_version":"1.9.16-2"},{"binary_name":"liblemonldap-ng-common-perl","binary_version":"1.9.16-2"},{"binary_name":"liblemonldap-ng-handler-perl","binary_version":"1.9.16-2"},{"binary_version":"1.9.16-2","binary_name":"liblemonldap-ng-manager-perl"},{"binary_name":"liblemonldap-ng-portal-perl","binary_version":"1.9.16-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-45160.json"}},{"package":{"name":"lemonldap-ng","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/lemonldap-ng@2.0.7+ds-2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.5+ds-2","2.0.6+ds-2","2.0.7+ds-2"],"ecosystem_specific":{"binaries":[{"binary_name":"lemonldap-ng","binary_version":"2.0.7+ds-2"},{"binary_name":"lemonldap-ng-fastcgi-server","binary_version":"2.0.7+ds-2"},{"binary_name":"lemonldap-ng-handler","binary_version":"2.0.7+ds-2"},{"binary_name":"lemonldap-ng-uwsgi-app","binary_version":"2.0.7+ds-2"},{"binary_name":"liblemonldap-ng-common-perl","binary_version":"2.0.7+ds-2"},{"binary_version":"2.0.7+ds-2","binary_name":"liblemonldap-ng-handler-perl"},{"binary_name":"liblemonldap-ng-manager-perl","binary_version":"2.0.7+ds-2"},{"binary_name":"liblemonldap-ng-portal-perl","binary_version":"2.0.7+ds-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-45160.json"}},{"package":{"name":"lemonldap-ng","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/lemonldap-ng@2.0.13+ds-3ubuntu1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.11+ds-4","2.0.13+ds-3","2.0.13+ds-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"lemonldap-ng","binary_version":"2.0.13+ds-3ubuntu1"},{"binary_name":"lemonldap-ng-fastcgi-server","binary_version":"2.0.13+ds-3ubuntu1"},{"binary_name":"lemonldap-ng-handler","binary_version":"2.0.13+ds-3ubuntu1"},{"binary_name":"lemonldap-ng-uwsgi-app","binary_version":"2.0.13+ds-3ubuntu1"},{"binary_name":"liblemonldap-ng-common-perl","binary_version":"2.0.13+ds-3ubuntu1"},{"binary_name":"liblemonldap-ng-handler-perl","binary_version":"2.0.13+ds-3ubuntu1"},{"binary_name":"liblemonldap-ng-manager-perl","binary_version":"2.0.13+ds-3ubuntu1"},{"binary_name":"liblemonldap-ng-portal-perl","binary_version":"2.0.13+ds-3ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-45160.json"}},{"package":{"name":"lemonldap-ng","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/lemonldap-ng@2.18.2+ds-1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.16.2+ds-1","2.17.1+ds-1","2.17.2+ds-1","2.17.2+ds-2","2.18.1+ds-1","2.18.2+ds-1"],"ecosystem_specific":{"binaries":[{"binary_name":"lemonldap-ng","binary_version":"2.18.2+ds-1"},{"binary_name":"lemonldap-ng-fastcgi-server","binary_version":"2.18.2+ds-1"},{"binary_name":"lemonldap-ng-handler","binary_version":"2.18.2+ds-1"},{"binary_name":"lemonldap-ng-uwsgi-app","binary_version":"2.18.2+ds-1"},{"binary_name":"liblemonldap-ng-common-perl","binary_version":"2.18.2+ds-1"},{"binary_name":"liblemonldap-ng-handler-perl","binary_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