RedHat: RHSA-2021-3723:01 Moderate: samba security,
Summary
Red Hat Gluster Storage is a software only scale-out storage solution that
provides flexible and affordable unstructured data storage. It unifies data
storage and infrastructure, increases performance, and improves
availability and manageability to meet enterprise-level storage challenges.
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: Negative idmap cache entries can cause incorrect group entries in
the Samba file server process token (CVE-2021-20254)
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.
Users of samba with Red Hat Gluster Storage are advised to upgrade to these
updated packages.
Summary
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2020-1472 https://access.redhat.com/security/cve/CVE-2020-14318 https://access.redhat.com/security/cve/CVE-2020-14323 https://access.redhat.com/security/cve/CVE-2021-20254 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Gluster 3.5 Samba on RHEL-7:
Source:
samba-4.11.6-112.el7rhgs.src.rpm
noarch:
samba-common-4.11.6-112.el7rhgs.noarch.rpm
samba-pidl-4.11.6-112.el7rhgs.noarch.rpm
x86_64:
ctdb-4.11.6-112.el7rhgs.x86_64.rpm
libsmbclient-4.11.6-112.el7rhgs.x86_64.rpm
libsmbclient-devel-4.11.6-112.el7rhgs.x86_64.rpm
libwbclient-4.11.6-112.el7rhgs.x86_64.rpm
libwbclient-devel-4.11.6-112.el7rhgs.x86_64.rpm
python3-samba-4.11.6-112.el7rhgs.x86_64.rpm
samba-4.11.6-112.el7rhgs.x86_64.rpm
samba-client-4.11.6-112.el7rhgs.x86_64.rpm
samba-client-libs-4.11.6-112.el7rhgs.x86_64.rpm
samba-common-libs-4.11.6-112.el7rhgs.x86_64.rpm
samba-common-tools-4.11.6-112.el7rhgs.x86_64.rpm
samba-debuginfo-4.11.6-112.el7rhgs.x86_64.rpm
samba-devel-4.11.6-112.el7rhgs.x86_64.rpm
samba-krb5-printing-4.11.6-112.el7rhgs.x86_64.rpm
samba-libs-4.11.6-112.el7rhgs.x86_64.rpm
samba-vfs-glusterfs-4.11.6-112.el7rhgs.x86_64.rpm
samba-winbind-4.11.6-112.el7rhgs.x86_64.rpm
samba-winbind-clients-4.11.6-112.el7rhgs.x86_64.rpm
samba-winbind-krb5-locator-4.11.6-112.el7rhgs.x86_64.rpm
samba-winbind-modules-4.11.6-112.el7rhgs.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
Updated samba packages that fix several bugs with added enhancement are nowavailable for Red Hat Gluster Storage 3.5 on Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Gluster 3.5 Samba on RHEL-7 - noarch, x86_64
Bugs Fixed
1879822 - CVE-2020-1472 samba: Netlogon elevation of privilege vulnerability (Zerologon)
1891685 - CVE-2020-14323 samba: Unprivileged user can crash winbind
1892631 - CVE-2020-14318 samba: Missing handle permissions check in SMB1/2/3 ChangeNotify
1949442 - CVE-2021-20254 samba: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token