{"id":"USN-6489-1","summary":"tang vulnerability","details":"Brian McDermott discovered that Tang incorrectly handled permissions when\ncreating/rotating keys. A local attacker could possibly use this issue to\nread the keys.\n","modified":"2026-02-10T04:43:25Z","published":"2023-11-20T16:04:07Z","related":["UBUNTU-CVE-2023-1672"],"upstream":["CVE-2023-1672","UBUNTU-CVE-2023-1672"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6489-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-1672"}],"affected":[{"package":{"name":"tang","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tang@6-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6-1ubuntu0.1~esm1"}]}],"versions":["6-1"],"ecosystem_specific":{"binaries":[{"binary_name":"tang","binary_version":"6-1ubuntu0.1~esm1"},{"binary_name":"tang-nagios","binary_version":"6-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6489-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2023-1672","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"tang","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/tang@7-1ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7-1ubuntu0.2"}]}],"versions":["7-1build1","7-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"tang","binary_version":"7-1ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6489-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-1672","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"tang","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/tang@11-1ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"11-1ubuntu0.1"}]}],"versions":["8-3","10-3","10-4","11-1"],"ecosystem_specific":{"binaries":[{"binary_name":"tang","binary_version":"11-1ubuntu0.1"},{"binary_name":"tang-common","binary_version":"11-1ubuntu0.1"},{"binary_name":"tang-xinetd","binary_version":"11-1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6489-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-1672","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.3"}