{"id":"USN-4417-1","summary":"nss vulnerability","details":"Cesar Pereida, Billy Bob Brumley, Yuval Yarom, and Nicola Tuveri discovered\nthat NSS incorrectly handled RSA key generation. A local attacker could\npossibly use this issue to perform a timing attack and recover RSA keys.\n","modified":"2026-04-22T10:14:39.207065Z","published":"2020-07-06T18:16:28Z","related":["UBUNTU-CVE-2020-12402"],"upstream":["CVE-2020-12402","UBUNTU-CVE-2020-12402"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4417-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12402"}],"affected":[{"package":{"name":"nss","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.16.04.12?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.28.4-0ubuntu0.16.04.12"}]}],"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","2:3.28.4-0ubuntu0.16.04.11"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnss3","binary_version":"2:3.28.4-0ubuntu0.16.04.12"},{"binary_name":"libnss3-1d","binary_version":"2:3.28.4-0ubuntu0.16.04.12"},{"binary_name":"libnss3-nssdb","binary_version":"2:3.28.4-0ubuntu0.16.04.12"},{"binary_name":"libnss3-tools","binary_version":"2:3.28.4-0ubuntu0.16.04.12"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-12402","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"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4417-1.json"}},{"package":{"name":"nss","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.35-2ubuntu2.9?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.35-2ubuntu2.9"}]}],"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","2:3.35-2ubuntu2.8"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnss3","binary_version":"2:3.35-2ubuntu2.9"},{"binary_name":"libnss3-tools","binary_version":"2:3.35-2ubuntu2.9"}]},"database_specific":{"cves_map":{"cves":[{"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"}],"id":"CVE-2020-12402"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4417-1.json"}},{"package":{"name":"nss","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.49.1-1ubuntu1.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.49.1-1ubuntu1.2"}]}],"versions":["2:3.45-1ubuntu2","2:3.47-1ubuntu1","2:3.47-1ubuntu2","2:3.48-1ubuntu1","2:3.49.1-1ubuntu1","2:3.49.1-1ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnss3","binary_version":"2:3.49.1-1ubuntu1.2"},{"binary_name":"libnss3-tools","binary_version":"2:3.49.1-1ubuntu1.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2020-12402","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-4417-1.json"}}],"schema_version":"1.7.5"}