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Red Hat Gluster 3.5: RHSA-2021-3723-01 Moderate: Samba Bug Fix

red hat
Calendar Grey October 5, 2021
Dist Redhat Esm H88
New samba updates made available for Red Hat Gluster Storage 3.5, tackling moderate vulnerabilities and various bugs.
Updated samba packages that fix several bugs with added enhancement are now available for Red Hat Gluster Storage 3.5 on Red Hat Enterprise Linux 7

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

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.

Topics%20covered

Topics Covered

security advisory moderate access control bug fix samba Red Hat Gluster elevation of privilege

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


Advisory ID: RHSA-2021:3723-01
Product: Red Hat Gluster Storage
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3723
Issue date: 2021-10-05

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.

Topics%20covered

Topics Covered

security advisory moderate access control bug fix samba Red Hat Gluster elevation of privilege

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

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