{"id":"UBUNTU-CVE-2018-19044","details":"keepalived 2.0.8 didn't check for pathnames with symlinks when writing data to a temporary file upon a call to PrintData or PrintStats. This allowed local users to overwrite arbitrary files if fs.protected_symlinks is set to 0, as demonstrated by a symlink from /tmp/keepalived.data or /tmp/keepalived.stats to /etc/passwd.","modified":"2025-10-24T04:47:16Z","published":"2018-11-08T20:29:00Z","upstream":["CVE-2018-19044"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19044"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-19044"}],"affected":[{"package":{"name":"keepalived","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/keepalived@1:1.3.9-1ubuntu0.18.04.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.3.2-1build1","1:1.3.9-1","1:1.3.9-1build1","1:1.3.9-1ubuntu0.18.04.1","1:1.3.9-1ubuntu0.18.04.2","1:1.3.9-1ubuntu0.18.04.3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.3.9-1ubuntu0.18.04.3","binary_name":"keepalived"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19044.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}]}