{"id":"USN-4397-1","summary":"nss vulnerabilities","details":"It was discovered that NSS incorrectly handled the TLS State Machine. A\nremote attacker could possibly use this issue to cause NSS to hang,\nresulting in a denial of service. This issue only affected Ubuntu 18.04 LTS\nand Ubuntu 19.10. (CVE-2019-17023)\n\nCesar Pereida Garcia discovered that NSS incorrectly handled DSA key\ngeneration. A local attacker could possibly use this issue to perform a\ntiming attack and recover DSA keys. (CVE-2020-12399)\n","modified":"2026-02-10T04:41:51Z","published":"2020-06-16T16:56:43Z","related":["UBUNTU-CVE-2019-17023","UBUNTU-CVE-2020-12399"],"upstream":["CVE-2019-17023","CVE-2020-12399","UBUNTU-CVE-2019-17023","UBUNTU-CVE-2020-12399"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4397-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-17023"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12399"}],"affected":[{"package":{"name":"nss","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.16.04.11?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.28.4-0ubuntu0.16.04.11"}]}],"versions":["2:3.19.2-1ubuntu1","2:3.19.2.1-0ubuntu1","2:3.21-1ubuntu2","2:3.21-1ubuntu3","2:3.21-1ubuntu4","2:3.23-0ubuntu0.16.04.1","2:3.26.2-0ubuntu0.16.04.2","2:3.28.4-0ubuntu0.16.04.1","2:3.28.4-0ubuntu0.16.04.2","2:3.28.4-0ubuntu0.16.04.3","2:3.28.4-0ubuntu0.16.04.4","2:3.28.4-0ubuntu0.16.04.5","2:3.28.4-0ubuntu0.16.04.6","2:3.28.4-0ubuntu0.16.04.8","2:3.28.4-0ubuntu0.16.04.9","2:3.28.4-0ubuntu0.16.04.10"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnss3","binary_version":"2:3.28.4-0ubuntu0.16.04.11"},{"binary_name":"libnss3-1d","binary_version":"2:3.28.4-0ubuntu0.16.04.11"},{"binary_name":"libnss3-dev","binary_version":"2:3.28.4-0ubuntu0.16.04.11"},{"binary_name":"libnss3-nssdb","binary_version":"2:3.28.4-0ubuntu0.16.04.11"},{"binary_name":"libnss3-tools","binary_version":"2:3.28.4-0ubuntu0.16.04.11"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2020-12399","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4397-1.json"}},{"package":{"name":"nss","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.35-2ubuntu2.8?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.35-2ubuntu2.8"}]}],"versions":["2:3.32-1ubuntu3","2:3.34-1ubuntu1","2:3.35-2ubuntu2","2:3.35-2ubuntu2.1","2:3.35-2ubuntu2.2","2:3.35-2ubuntu2.3","2:3.35-2ubuntu2.5","2:3.35-2ubuntu2.6","2:3.35-2ubuntu2.7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnss3","binary_version":"2:3.35-2ubuntu2.8"},{"binary_name":"libnss3-dev","binary_version":"2:3.35-2ubuntu2.8"},{"binary_name":"libnss3-tools","binary_version":"2:3.35-2ubuntu2.8"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2019-17023","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2020-12399","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4397-1.json"}},{"package":{"name":"nss","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.49.1-1ubuntu1.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.49.1-1ubuntu1.1"}]}],"versions":["2:3.45-1ubuntu2","2:3.47-1ubuntu1","2:3.47-1ubuntu2","2:3.48-1ubuntu1","2:3.49.1-1ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnss3","binary_version":"2:3.49.1-1ubuntu1.1"},{"binary_name":"libnss3-dev","binary_version":"2:3.49.1-1ubuntu1.1"},{"binary_name":"libnss3-tools","binary_version":"2:3.49.1-1ubuntu1.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2020-12399","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4397-1.json"}}],"schema_version":"1.7.3"}