{"id":"UBUNTU-CVE-2014-1492","details":"The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which might allow man-in-the-middle attackers to spoof SSL servers via a crafted certificate.","modified":"2026-02-04T02:30:09.599618Z","published":"2014-03-25T00:00:00Z","related":["USN-2159-1","USN-2185-1"],"upstream":["CVE-2014-1492"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-1492"},{"type":"REPORT","url":"https://developer.mozilla.org/en-US/docs/NSS/NSS_3.16_release_notes"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2159-1"},{"type":"REPORT","url":"http://www.mozilla.org/security/announce/2014/mfsa2014-45.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2185-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-1492"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/firefox@29.0+build1-0ubuntu0.14.04.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"29.0+build1-0ubuntu0.14.04.2"}]}],"versions":["24.0+build1-0ubuntu1","25.0+build3-0ubuntu0.13.10.1","28.0~b2+build1-0ubuntu2","28.0+build1-0ubuntu1","28.0+build2-0ubuntu1","28.0+build2-0ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"29.0+build1-0ubuntu0.14.04.2","binary_name":"firefox"},{"binary_version":"29.0+build1-0ubuntu0.14.04.2","binary_name":"firefox-dev"},{"binary_version":"29.0+build1-0ubuntu0.14.04.2","binary_name":"firefox-globalmenu"},{"binary_version":"29.0+build1-0ubuntu0.14.04.2","binary_name":"firefox-mozsymbols"},{"binary_version":"29.0+build1-0ubuntu0.14.04.2","binary_name":"firefox-testsuite"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-1492.json"}},{"package":{"name":"nss","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.15.4-1ubuntu7?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.15.4-1ubuntu7"}]}],"versions":["2:3.15.1-1ubuntu1","2:3.15.2-1","2:3.15.3-1","2:3.15.3.1-1","2:3.15.3.1-1.1","2:3.15.3.1-1.1ubuntu1","2:3.15.4-1ubuntu3","2:3.15.4-1ubuntu4","2:3.15.4-1ubuntu5","2:3.15.4-1ubuntu6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2:3.15.4-1ubuntu7","binary_name":"libnss3"},{"binary_version":"2:3.15.4-1ubuntu7","binary_name":"libnss3-1d"},{"binary_version":"2:3.15.4-1ubuntu7","binary_name":"libnss3-dev"},{"binary_version":"2:3.15.4-1ubuntu7","binary_name":"libnss3-nssdb"},{"binary_version":"2:3.15.4-1ubuntu7","binary_name":"libnss3-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-1492.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}