{"id":"UBUNTU-CVE-2017-18869","details":"A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local attacker to trick it into descending into unintended directories via symlink attacks.","modified":"2026-01-20T16:50:20.734108Z","published":"2020-06-15T15:15:00Z","upstream":["CVE-2017-18869"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-18869"},{"type":"REPORT","url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863985"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1611614"},{"type":"REPORT","url":"https://github.com/isaacs/chownr/issues/14"},{"type":"REPORT","url":"https://snyk.io/vuln/npm:chownr:20180731"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-18869"}],"affected":[{"package":{"name":"node-chownr","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/node-chownr@1.1.3-3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.1-1","1.1.3-3"],"ecosystem_specific":{"binaries":[{"binary_name":"node-chownr","binary_version":"1.1.3-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18869.json"}},{"package":{"name":"node-chownr","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/node-chownr@2.0.0-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.3-5","2.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"node-chownr","binary_version":"2.0.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18869.json"}},{"package":{"name":"node-chownr","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/node-chownr@2.0.0-2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"node-chownr","binary_version":"2.0.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18869.json"}},{"package":{"name":"node-chownr","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/node-chownr@2.0.0-3?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0-3"],"ecosystem_specific":{"binaries":[{"binary_name":"node-chownr","binary_version":"2.0.0-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18869.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}