{"id":"UBUNTU-CVE-2018-1050","details":"All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.","modified":"2026-01-30T02:23:01.569731Z","published":"2018-03-13T00:00:00Z","related":["USN-3595-1","USN-3595-2"],"upstream":["CVE-2018-1050"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1050"},{"type":"REPORT","url":"https://www.samba.org/samba/security/CVE-2018-1050.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3595-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3595-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1050"}],"affected":[{"package":{"name":"samba","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.14?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.3.11+dfsg-0ubuntu0.14.04.14"}]}],"versions":["2:3.6.18-1ubuntu3","2:4.0.10+dfsg-4ubuntu2","2:4.0.13+dfsg-1ubuntu1","2:4.1.3+dfsg-2ubuntu2","2:4.1.3+dfsg-2ubuntu3","2:4.1.3+dfsg-2ubuntu4","2:4.1.3+dfsg-2ubuntu5","2:4.1.6+dfsg-1ubuntu1","2:4.1.6+dfsg-1ubuntu2","2:4.1.6+dfsg-1ubuntu2.14.04.1","2:4.1.6+dfsg-1ubuntu2.14.04.2","2:4.1.6+dfsg-1ubuntu2.14.04.3","2:4.1.6+dfsg-1ubuntu2.14.04.4","2:4.1.6+dfsg-1ubuntu2.14.04.5","2:4.1.6+dfsg-1ubuntu2.14.04.7","2:4.1.6+dfsg-1ubuntu2.14.04.8","2:4.1.6+dfsg-1ubuntu2.14.04.9","2:4.1.6+dfsg-1ubuntu2.14.04.11","2:4.1.6+dfsg-1ubuntu2.14.04.12","2:4.1.6+dfsg-1ubuntu2.14.04.13","2:4.3.8+dfsg-0ubuntu0.14.04.2","2:4.3.9+dfsg-0ubuntu0.14.04.1","2:4.3.9+dfsg-0ubuntu0.14.04.3","2:4.3.11+dfsg-0ubuntu0.14.04.1","2:4.3.11+dfsg-0ubuntu0.14.04.2","2:4.3.11+dfsg-0ubuntu0.14.04.3","2:4.3.11+dfsg-0ubuntu0.14.04.4","2:4.3.11+dfsg-0ubuntu0.14.04.6","2:4.3.11+dfsg-0ubuntu0.14.04.7","2:4.3.11+dfsg-0ubuntu0.14.04.8","2:4.3.11+dfsg-0ubuntu0.14.04.9","2:4.3.11+dfsg-0ubuntu0.14.04.10","2:4.3.11+dfsg-0ubuntu0.14.04.11","2:4.3.11+dfsg-0ubuntu0.14.04.12","2:4.3.11+dfsg-0ubuntu0.14.04.13"],"ecosystem_specific":{"binaries":[{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libnss-winbind"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libpam-smbpass"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libpam-winbind"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libparse-pidl-perl"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libsmbclient"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libsmbclient-dev"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libsmbsharemodes-dev"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libsmbsharemodes0"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libwbclient-dev"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"libwbclient0"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"python-samba"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"registry-tools"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"samba"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"samba-common"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"samba-common-bin"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"samba-dev"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"samba-dsdb-modules"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"samba-libs"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"samba-testsuite"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"samba-vfs-modules"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"smbclient"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.14","binary_name":"winbind"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1050.json"}},{"package":{"name":"samba","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.13?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.3.11+dfsg-0ubuntu0.16.04.13"}]}],"versions":["2:4.1.17+dfsg-4ubuntu2","2:4.1.20+dfsg-1ubuntu1","2:4.1.20+dfsg-1ubuntu2","2:4.1.20+dfsg-1ubuntu3","2:4.1.20+dfsg-1ubuntu5","2:4.3.3+dfsg-1ubuntu1","2:4.3.3+dfsg-1ubuntu2","2:4.3.3+dfsg-1ubuntu3","2:4.3.6+dfsg-1ubuntu1","2:4.3.8+dfsg-0ubuntu1","2:4.3.9+dfsg-0ubuntu0.16.04.1","2:4.3.9+dfsg-0ubuntu0.16.04.2","2:4.3.9+dfsg-0ubuntu0.16.04.3","2:4.3.11+dfsg-0ubuntu0.16.04.1","2:4.3.11+dfsg-0ubuntu0.16.04.3","2:4.3.11+dfsg-0ubuntu0.16.04.5","2:4.3.11+dfsg-0ubuntu0.16.04.6","2:4.3.11+dfsg-0ubuntu0.16.04.7","2:4.3.11+dfsg-0ubuntu0.16.04.8","2:4.3.11+dfsg-0ubuntu0.16.04.9","2:4.3.11+dfsg-0ubuntu0.16.04.10","2:4.3.11+dfsg-0ubuntu0.16.04.11","2:4.3.11+dfsg-0ubuntu0.16.04.12"],"ecosystem_specific":{"binaries":[{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"ctdb"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"libnss-winbind"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"libpam-winbind"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"libparse-pidl-perl"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"libsmbclient"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"libsmbclient-dev"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"libwbclient-dev"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"libwbclient0"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"python-samba"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"registry-tools"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"samba"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"samba-common"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"samba-common-bin"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"samba-dev"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"samba-dsdb-modules"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"samba-libs"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"samba-testsuite"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"samba-vfs-modules"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"smbclient"},{"binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.13","binary_name":"winbind"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1050.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}