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Red Hat Product Errata RHSA-2021:3723 - Security Advisory
Issued:
2021-10-05
Updated:
2021-10-05

RHSA-2021:3723 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: samba security, bug fix and enhancement update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

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.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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.

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

Affected Products

  • Red Hat Gluster Storage Server for On-premise 3 for RHEL 7 x86_64

Fixes

  • BZ - 1879822 - CVE-2020-1472 samba: Netlogon elevation of privilege vulnerability (Zerologon)
  • BZ - 1891685 - CVE-2020-14323 samba: Unprivileged user can crash winbind
  • BZ - 1892631 - CVE-2020-14318 samba: Missing handle permissions check in SMB1/2/3 ChangeNotify
  • BZ - 1949442 - CVE-2021-20254 samba: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token

CVEs

  • CVE-2020-1472
  • CVE-2020-14318
  • CVE-2020-14323
  • CVE-2021-20254

References

  • https://access.redhat.com/security/updates/classification/#moderate
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Gluster Storage Server for On-premise 3 for RHEL 7

SRPM
samba-4.11.6-112.el7rhgs.src.rpm SHA-256: 293f1c937f8dc61456104e43229638fed7634a929241dc90c1d1afcc40d74320
x86_64
ctdb-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 27d7c58a3462d28c48e8db29edf7e7cbd174d066afe10429654869ddbf648deb
libsmbclient-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 6bd322a27e687c7b763f87af8bf8a8d17017cb48afffc4fe8247b08726f59329
libsmbclient-devel-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: c4ea08bc45dbb7402bb2ba5bd3982ad834c05407a8a14fa1afe9bae636aa3981
libwbclient-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 6371804728f90d425637cb5d556fdb1347b72b382aa9943ca3f411a1830248be
libwbclient-devel-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: e5f6487fef0449484f2d4d7c087ab2b3d57d5b9e888c2fc1b5a1c1c700a193f1
python3-samba-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 38b882fc232eccc0f16942edb07c9a039f166beb3736da5081cf76a2fe236533
samba-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: fa3c84e3a9c28849314f16f27d3e7869be4e7f5da44672092cb010191a5f3dac
samba-client-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 999c4381c4c5550bbe76a194bd7e399cd16ca65d9d96b06c91ab177ff36b19f0
samba-client-libs-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: b8926ed56360da6840448589421d4ade4fb542390a5987be0f62a16297b5e8b1
samba-common-4.11.6-112.el7rhgs.noarch.rpm SHA-256: 3f26fed9bb48dde68d5f8aebefb3e8d16318d2823d0b9d45285d3119cf1b6f3b
samba-common-libs-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 35a22ef6b10f01d0755f9001a3593aa3463f839a66eefac331275bb1b036eb62
samba-common-tools-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 98a45cf4956dd9474270ea14237bb096cd73dabbb7d1f835f226cb9419da8dd2
samba-debuginfo-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 69b4ecf46c8b8e0dbd02dd95bb6ed507a446fa7de4d7b1fbfc9b9e9553de7300
samba-devel-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: e4cc7972d50421304d540495eef5762afcfb2fa150cd0a723edc7412a82204f3
samba-krb5-printing-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 6ff14fdf3b8daa359a32975968c111ee51f8fcb831dc6a64884871de6f464f73
samba-libs-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 6061d27725e8236801db1f7df49e71933b6c27b6f88eb52dc4d771a4e30186f4
samba-pidl-4.11.6-112.el7rhgs.noarch.rpm SHA-256: 51d5352ea4139dadd10eb22bdbdd747613093471ac89e9f3ca888b52df4870e2
samba-vfs-glusterfs-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: ceecaadc849458a8952d1b461b9bb2dc08a28b48adcc76cc146e501c365662d8
samba-winbind-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: a94330db0cdf6203b35f11192702cc995fb49eb12d714b2e653c92c0ef0d7978
samba-winbind-clients-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 1677f5808e31eff63448b7c1859a6d0de4c274ebd104323d5616569d78298869
samba-winbind-krb5-locator-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: f02050ff0a829350292e663de9472ffa397e7b1c1094f921e283121f1e61421f
samba-winbind-modules-4.11.6-112.el7rhgs.x86_64.rpm SHA-256: 8beb95765db89a3daaec1bd895449441331b93cc8130689452d0c8205194cc68

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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