{"id":"UBUNTU-CVE-2019-13173","details":"fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system's file with the contents of the extracted file. The fstream.DirWriter() function is vulnerable.","modified":"2026-02-04T03:11:46.240147Z","published":"2019-07-02T00:00:00Z","related":["USN-4123-1","USN-4863-1"],"upstream":["CVE-2019-13173"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-13173"},{"type":"REPORT","url":"https://www.npmjs.com/advisories/886"},{"type":"REPORT","url":"https://github.com/npm/fstream/commit/6a77d2fa6e1462693cf8e46f930da96ec1b0bb22"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4123-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-13173"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4863-1"}],"affected":[{"package":{"name":"node-fstream","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/node-fstream@0.1.24-1ubuntu0.14.04.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.24-1ubuntu0.14.04.1~esm1"}]}],"versions":["0.1.22-1","0.1.24-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"node-fstream","binary_version":"0.1.24-1ubuntu0.14.04.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13173.json"}},{"package":{"name":"node-fstream","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/node-fstream@0.1.24-1ubuntu0.16.04.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.24-1ubuntu0.16.04.1~esm1"}]}],"versions":["0.1.24-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"node-fstream","binary_version":"0.1.24-1ubuntu0.16.04.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13173.json"}},{"package":{"name":"node-fstream","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/node-fstream@1.0.10-1ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.10-1ubuntu0.18.04.1"}]}],"versions":["1.0.10-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"node-fstream","binary_version":"1.0.10-1ubuntu0.18.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13173.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}]}