{"id":"UBUNTU-CVE-2017-8779","details":"rpcbind through 0.2.4, LIBTIRPC through 1.0.1 and 1.0.2-rc through 1.0.2-rc3, and NTIRPC through 1.4.3 do not consider the maximum RPC data size during memory allocation for XDR strings, which allows remote attackers to cause a denial of service (memory consumption with no subsequent free) via a crafted UDP packet to port 111, aka rpcbomb.","modified":"2026-04-22T11:35:50.796774Z","published":"2017-05-04T00:00:00Z","related":["USN-3759-1","USN-3759-2","USN-4986-1","USN-4986-2"],"upstream":["CVE-2017-8779"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-8779"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2017/05/04/1"},{"type":"REPORT","url":"https://github.com/guidovranken/rpcbomb/"},{"type":"REPORT","url":"http://openwall.com/lists/oss-security/2017/05/03/12"},{"type":"REPORT","url":"http://openwall.com/lists/oss-security/2017/05/04/1"},{"type":"REPORT","url":"https://guidovranken.wordpress.com/2017/05/03/rpcbomb-remote-rpcbind-denial-of-service-patches/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3759-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3759-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4986-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4986-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-8779"}],"affected":[{"package":{"name":"libtirpc","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libtirpc@0.2.2-5ubuntu2.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.2-5ubuntu2.1"}]}],"versions":["0.2.2-5ubuntu1","0.2.2-5ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libtirpc1","binary_version":"0.2.2-5ubuntu2.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8779.json"}},{"package":{"name":"rpcbind","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/rpcbind@0.2.1-2ubuntu2.2+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.1-2ubuntu2.2+esm1"}]}],"versions":["0.2.0-8.2ubuntu2","0.2.1-2ubuntu1","0.2.1-2ubuntu2.1","0.2.1-2ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_name":"rpcbind","binary_version":"0.2.1-2ubuntu2.2+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8779.json"}},{"package":{"name":"libtirpc","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libtirpc@0.2.5-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1ubuntu0.1"}]}],"versions":["0.2.5-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libtirpc1","binary_version":"0.2.5-1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8779.json"}},{"package":{"name":"rpcbind","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/rpcbind@0.2.3-0.2ubuntu0.16.04.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3-0.2ubuntu0.16.04.1+esm1"}]}],"versions":["0.2.1-6ubuntu4","0.2.3-0.2","0.2.3-0.2ubuntu0.1","0.2.3-0.2ubuntu0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"rpcbind","binary_version":"0.2.3-0.2ubuntu0.16.04.1+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8779.json"}},{"package":{"name":"ntirpc","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ntirpc@1.3.1-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libntirpc1.3","binary_version":"1.3.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8779.json"}},{"package":{"name":"rpcbind","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/rpcbind@0.2.3-0.6ubuntu0.18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3-0.6ubuntu0.18.04.2"}]}],"versions":["0.2.3-0.6","0.2.3-0.6ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"rpcbind","binary_version":"0.2.3-0.6ubuntu0.18.04.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8779.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}