{"id":"ALSA-2021:1647","summary":"Moderate: samba security, bug fix, and enhancement update","details":"Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.\n\nThe following packages have been upgraded to a later upstream version: samba (4.13.3). (BZ#1878109)\n\nSecurity Fix(es):\n\n* samba: Netlogon elevation of privilege vulnerability (Zerologon) (CVE-2020-1472)\n\n* samba: Missing handle permissions check in SMB1/2/3 ChangeNotify (CVE-2020-14318)\n\n* samba: Unprivileged user can crash winbind (CVE-2020-14323)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","modified":"2026-01-30T02:28:35.396787Z","published":"2021-05-18T05:44:25Z","related":["CVE-2020-14318","CVE-2020-14323","CVE-2020-1472"],"references":[{"type":"REPORT","url":"https://vulners.com/cve/CVE-2020-14318"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2020-14323"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2020-1472"}],"affected":[{"package":{"name":"libsmbclient-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/libsmbclient-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.3-3.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:1647.json"}},{"package":{"name":"libwbclient-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/libwbclient-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.3-3.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:1647.json"}},{"package":{"name":"openchange","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/openchange"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3-27.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:1647.json"}},{"package":{"name":"samba-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/samba-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.3-3.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:1647.json"}}],"schema_version":"1.7.3"}