Security Vulnerabilities fixed in samba RHSA-2021:5082

Description

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. Security Fix(es): samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717) samba: SMB1 client connections can be downgraded to plaintext authentication (CVE-2016-2124) samba: Subsequent DCE/RPC fragment injection vulnerability (CVE-2021-23192) samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717) samba: SMB1 client connections can be downgraded to plaintext authentication (CVE-2016-2124) samba: Subsequent DCE/RPC fragment injection vulnerability (CVE-2021-23192) 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. 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 Applications

samba

CVE References

CVE-2021-23192 CVE-2020-25717 CVE-2016-2124

Other References

https://access.redhat.com/errata/RHSA-2021:5082