{"id":"UBUNTU-CVE-2018-18065","details":"_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.","modified":"2026-04-22T11:49:07.521924Z","published":"2018-10-08T00:00:00Z","related":["USN-3792-1","USN-3792-2","USN-3792-3"],"upstream":["CVE-2018-18065"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-18065"},{"type":"REPORT","url":"https://dumpco.re/blog/net-snmp-5.7.3-remote-dos"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3792-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3792-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3792-3"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-18065"}],"affected":[{"package":{"name":"net-snmp","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/net-snmp@5.7.2~dfsg-8.1ubuntu3.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.2~dfsg-8.1ubuntu3.3"}]}],"versions":["5.7.2~dfsg-8ubuntu1","5.7.2~dfsg-8ubuntu2","5.7.2~dfsg-8.1ubuntu1","5.7.2~dfsg-8.1ubuntu2","5.7.2~dfsg-8.1ubuntu3","5.7.2~dfsg-8.1ubuntu3.1","5.7.2~dfsg-8.1ubuntu3.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libsnmp-base","binary_version":"5.7.2~dfsg-8.1ubuntu3.3"},{"binary_name":"libsnmp-perl","binary_version":"5.7.2~dfsg-8.1ubuntu3.3"},{"binary_name":"libsnmp30","binary_version":"5.7.2~dfsg-8.1ubuntu3.3"},{"binary_name":"python-netsnmp","binary_version":"5.7.2~dfsg-8.1ubuntu3.3"},{"binary_name":"snmp","binary_version":"5.7.2~dfsg-8.1ubuntu3.3"},{"binary_name":"snmpd","binary_version":"5.7.2~dfsg-8.1ubuntu3.3"},{"binary_name":"tkmib","binary_version":"5.7.2~dfsg-8.1ubuntu3.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18065.json"}},{"package":{"name":"net-snmp","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/net-snmp@5.7.3+dfsg-1ubuntu4.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.3+dfsg-1ubuntu4.2"}]}],"versions":["5.7.3+dfsg-1ubuntu2","5.7.3+dfsg-1ubuntu3","5.7.3+dfsg-1ubuntu4","5.7.3+dfsg-1ubuntu4.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libsnmp-base","binary_version":"5.7.3+dfsg-1ubuntu4.2"},{"binary_name":"libsnmp-perl","binary_version":"5.7.3+dfsg-1ubuntu4.2"},{"binary_name":"libsnmp30","binary_version":"5.7.3+dfsg-1ubuntu4.2"},{"binary_name":"python-netsnmp","binary_version":"5.7.3+dfsg-1ubuntu4.2"},{"binary_name":"snmp","binary_version":"5.7.3+dfsg-1ubuntu4.2"},{"binary_name":"snmpd","binary_version":"5.7.3+dfsg-1ubuntu4.2"},{"binary_name":"snmptrapd","binary_version":"5.7.3+dfsg-1ubuntu4.2"},{"binary_name":"tkmib","binary_version":"5.7.3+dfsg-1ubuntu4.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18065.json"}},{"package":{"name":"net-snmp","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/net-snmp@5.7.3+dfsg-1.8ubuntu3.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.3+dfsg-1.8ubuntu3.1"}]}],"versions":["5.7.3+dfsg-1.7ubuntu1","5.7.3+dfsg-1.8ubuntu1","5.7.3+dfsg-1.8ubuntu2","5.7.3+dfsg-1.8ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"libsnmp-base","binary_version":"5.7.3+dfsg-1.8ubuntu3.1"},{"binary_name":"libsnmp-perl","binary_version":"5.7.3+dfsg-1.8ubuntu3.1"},{"binary_name":"libsnmp30","binary_version":"5.7.3+dfsg-1.8ubuntu3.1"},{"binary_name":"python-netsnmp","binary_version":"5.7.3+dfsg-1.8ubuntu3.1"},{"binary_name":"snmp","binary_version":"5.7.3+dfsg-1.8ubuntu3.1"},{"binary_name":"snmpd","binary_version":"5.7.3+dfsg-1.8ubuntu3.1"},{"binary_name":"snmptrapd","binary_version":"5.7.3+dfsg-1.8ubuntu3.1"},{"binary_name":"tkmib","binary_version":"5.7.3+dfsg-1.8ubuntu3.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18065.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}