{"id":"USN-3893-1","summary":"bind9 vulnerabilities","details":"Toshifumi Sakaguchi discovered that Bind incorrectly handled memory. A\nremote attacker could possibly use this issue to cause Bind to consume\nresources, leading to a denial of service. This issue only affected Ubuntu\n18.04 LTS and Ubuntu 18.10. (CVE-2018-5744)\n\nIt was discovered that Bind incorrectly handled certain trust anchors when\nused with the \"managed-keys\" feature. A remote attacker could possibly use\nthis issue to cause Bind to crash, resulting in a denial of service.\n(CVE-2018-5745)\n\nIt was discovered that Bind incorrectly handled certain controls for zone\ntransfers, contrary to expectations. (CVE-2019-6465)\n","modified":"2026-02-10T04:41:28Z","published":"2019-02-22T08:08:13Z","related":["UBUNTU-CVE-2018-5744","UBUNTU-CVE-2018-5745","UBUNTU-CVE-2019-6465"],"upstream":["CVE-2018-5744","CVE-2018-5745","CVE-2019-6465","UBUNTU-CVE-2018-5744","UBUNTU-CVE-2018-5745","UBUNTU-CVE-2019-6465"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3893-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5744"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5745"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-6465"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.9.5.dfsg-3ubuntu0.19"}]}],"versions":["1:9.9.3.dfsg.P2-4ubuntu1","1:9.9.3.dfsg.P2-4ubuntu2","1:9.9.3.dfsg.P2-4ubuntu3","1:9.9.5.dfsg-2","1:9.9.5.dfsg-3","1:9.9.5.dfsg-3ubuntu0.1","1:9.9.5.dfsg-3ubuntu0.2","1:9.9.5.dfsg-3ubuntu0.3","1:9.9.5.dfsg-3ubuntu0.4","1:9.9.5.dfsg-3ubuntu0.5","1:9.9.5.dfsg-3ubuntu0.6","1:9.9.5.dfsg-3ubuntu0.7","1:9.9.5.dfsg-3ubuntu0.8","1:9.9.5.dfsg-3ubuntu0.9","1:9.9.5.dfsg-3ubuntu0.10","1:9.9.5.dfsg-3ubuntu0.11","1:9.9.5.dfsg-3ubuntu0.12","1:9.9.5.dfsg-3ubuntu0.13","1:9.9.5.dfsg-3ubuntu0.14","1:9.9.5.dfsg-3ubuntu0.15","1:9.9.5.dfsg-3ubuntu0.16","1:9.9.5.dfsg-3ubuntu0.17","1:9.9.5.dfsg-3ubuntu0.18"],"ecosystem_specific":{"binaries":[{"binary_name":"bind9","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"bind9-host","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"bind9utils","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"dnsutils","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"host","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"libbind-dev","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"libbind9-90","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"libdns100","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"libisc95","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"libisccc90","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"libisccfg90","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"liblwres90","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"},{"binary_name":"lwresd","binary_version":"1:9.9.5.dfsg-3ubuntu0.19"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-5745"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2019-6465"}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3893-1.json"}},{"package":{"name":"bind9","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.12?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.10.3.dfsg.P4-8ubuntu1.12"}]}],"versions":["1:9.9.5.dfsg-11ubuntu1","1:9.9.5.dfsg-12","1:9.9.5.dfsg-12.1","1:9.9.5.dfsg-12.1ubuntu1","1:9.10.3.dfsg.P2-4","1:9.10.3.dfsg.P2-5","1:9.10.3.dfsg.P4-3","1:9.10.3.dfsg.P4-4","1:9.10.3.dfsg.P4-5","1:9.10.3.dfsg.P4-8","1:9.10.3.dfsg.P4-8ubuntu1","1:9.10.3.dfsg.P4-8ubuntu1.1","1:9.10.3.dfsg.P4-8ubuntu1.2","1:9.10.3.dfsg.P4-8ubuntu1.3","1:9.10.3.dfsg.P4-8ubuntu1.4","1:9.10.3.dfsg.P4-8ubuntu1.5","1:9.10.3.dfsg.P4-8ubuntu1.6","1:9.10.3.dfsg.P4-8ubuntu1.7","1:9.10.3.dfsg.P4-8ubuntu1.8","1:9.10.3.dfsg.P4-8ubuntu1.9","1:9.10.3.dfsg.P4-8ubuntu1.10","1:9.10.3.dfsg.P4-8ubuntu1.11"],"ecosystem_specific":{"binaries":[{"binary_name":"bind9","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"bind9-host","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"bind9utils","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"dnsutils","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"host","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libbind-dev","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libbind-export-dev","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libbind9-140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libdns-export162","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libdns162","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libirs-export141","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libirs141","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libisc-export160","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libisc160","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libisccc-export140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libisccc140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libisccfg-export140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"libisccfg140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"liblwres141","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"},{"binary_name":"lwresd","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.12"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-5745"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2019-6465"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3893-1.json"}},{"package":{"name":"bind9","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.5"}]}],"versions":["1:9.10.3.dfsg.P4-12.6ubuntu1","1:9.11.2.P1-1ubuntu2","1:9.11.2.P1-1ubuntu3","1:9.11.2.P1-1ubuntu4","1:9.11.2.P1-1ubuntu5","1:9.11.3+dfsg-1ubuntu1","1:9.11.3+dfsg-1ubuntu1.1","1:9.11.3+dfsg-1ubuntu1.2","1:9.11.3+dfsg-1ubuntu1.3"],"ecosystem_specific":{"binaries":[{"binary_name":"bind9","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"bind9-host","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"bind9utils","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"dnsutils","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libbind-dev","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libbind-export-dev","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libbind9-160","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libdns-export1100","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libdns1100","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libirs-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libirs160","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libisc-export169","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libisc169","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libisccc-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libisccc160","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libisccfg-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"libisccfg160","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"},{"binary_name":"liblwres160","binary_version":"1:9.11.3+dfsg-1ubuntu1.5"}],"availability":"No 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