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Red Hat Enterprise Linux 9 RHSA-2023:2127-01 Samba Weak Encryption Advisory

red hat
Calendar Grey May 4, 2023
Dist Redhat Esm H88
Canonical releases a critical Nginx security patch for Ubuntu 22.04 to address vulnerabilities affecting web serving functionalities.
An update for samba is now available for Red Hat Enterprise Linux 9

Solution

For 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.

Summary

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: RC4/HMAC-MD5 NetLogon Secure Channel is weak and should be avoided (CVE-2022-38023)
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.

Topics%20covered

Topics Covered

security advisory security issue red hat encryption samba important file sharing

References

https://access.redhat.com/security/cve/CVE-2022-38023 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream (v. 9):
aarch64: ctdb-debuginfo-4.16.4-103.el9_1.aarch64.rpm libsmbclient-debuginfo-4.16.4-103.el9_1.aarch64.rpm libwbclient-debuginfo-4.16.4-103.el9_1.aarch64.rpm python3-samba-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-client-4.16.4-103.el9_1.aarch64.rpm samba-client-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-client-libs-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-common-libs-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-common-tools-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-debugsource-4.16.4-103.el9_1.aarch64.rpm samba-krb5-printing-4.16.4-103.el9_1.aarch64.rpm samba-krb5-printing-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-libs-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-test-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-test-libs-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-vfs-iouring-4.16.4-103.el9_1.aarch64.rpm samba-vfs-iouring-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-winbind-clients-4.16.4-103.el9_1.aarch64.rpm samba-winbind-clients-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-winbind-debuginfo-4.16.4-103.el9_1.aarch64.rpm samba-winbind-krb5-locator-4.16.4-103.el9_1.aarch64.rpm samba-winbind-krb5-locator-debuginfo-4.16.4-103.el9_1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:2127-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:2127
Issue date: 2023-05-04

Topic

An update for samba is now available for Red Hat Enterprise Linux 9.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue red hat encryption samba important file sharing

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Resilient Storage (v. 9) - ppc64le, s390x, x86_64

Bugs Fixed

2154362 - CVE-2022-38023 samba: RC4/HMAC-MD5 NetLogon Secure Channel is weak and should be avoided

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