{"id":"USN-4870-1","summary":"bundler vulnerability","details":"It was discovered that Bundler incorrectly created directories with\ninsecure permissions in /tmp. An attacker could write malicious libraries\nto this location for later execution.","modified":"2026-02-10T04:42:06Z","published":"2021-03-15T22:59:20Z","related":["UBUNTU-CVE-2019-3881"],"upstream":["CVE-2019-3881","UBUNTU-CVE-2019-3881"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4870-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-3881"}],"affected":[{"package":{"name":"bundler","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/bundler@1.16.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.1-1ubuntu0.1~esm1"}]}],"versions":["1.15.1-1","1.16.1-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.16.1-1ubuntu0.1~esm1","binary_name":"bundler"},{"binary_version":"1.16.1-1ubuntu0.1~esm1","binary_name":"ruby-bundler"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2019-3881"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4870-1.json"}}],"schema_version":"1.7.3"}