5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.451 Medium
EPSS
Percentile
97.4%
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)
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 Rocky Linux 8.4 Release Notes linked from the References section.
bugzilla.redhat.com/show_bug.cgi?id=1818038
bugzilla.redhat.com/show_bug.cgi?id=1869702
bugzilla.redhat.com/show_bug.cgi?id=1872833
bugzilla.redhat.com/show_bug.cgi?id=1878109
bugzilla.redhat.com/show_bug.cgi?id=1879822
bugzilla.redhat.com/show_bug.cgi?id=1888990
bugzilla.redhat.com/show_bug.cgi?id=1891685
bugzilla.redhat.com/show_bug.cgi?id=1892631
bugzilla.redhat.com/show_bug.cgi?id=1896736
bugzilla.redhat.com/show_bug.cgi?id=1898866
bugzilla.redhat.com/show_bug.cgi?id=1902198
bugzilla.redhat.com/show_bug.cgi?id=1904174
bugzilla.redhat.com/show_bug.cgi?id=1924571
bugzilla.redhat.com/show_bug.cgi?id=1924615
errata.rockylinux.org/RLSA-2021:1647
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.451 Medium
EPSS
Percentile
97.4%