Threat Encyclopedia

RHSA-2021:1647-Security Advisory

Description

The vulnerabilities in the following products could cause the system to become vulnerable to malicious security attack: openchange

Analysis

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. The following packages have been upgraded to a later upstream version: samba (4.13.3). (BZ#1878109) Security Fix(es): samba: Netlogon elevation of privilege vulnerability (Zerologon) (CVE-2020-1472) samba: Missing handle permissions check in SMB1/2/3 ChangeNotify (CVE-2020-14318) samba: Unprivileged user can crash winbind (CVE-2020-14323) samba: Netlogon elevation of privilege vulnerability (Zerologon) (CVE-2020-1472) samba: Missing handle permissions check in SMB1/2/3 ChangeNotify (CVE-2020-14318) samba: Unprivileged user can crash winbind (CVE-2020-14323) For 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258 After installing this update, the smb service will be restarted automatically.

Affected Products

openchange