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SUSE: 2023:4059-1 Important Samba Security Fix for Critical Issues

suse
Calendar Grey October 12, 2023
Dist Suse Esm H88
A crucial security notice for SUSE users pertaining to samba addresses several vulnerabilities present within the system.
* #1213940 * #1215904 * #1215905 * #1215908

Summary

## This update for samba fixes the following issues: * CVE-2023-4091: Fixed a bug where a client can truncate file with read-only permissions. (bsc#1215904) * CVE-2023-42669: Fixed a bug in "rpcecho" development server which allows Denial of Service via sleep() call on AD DC. (bso#1215905) * CVE-2023-4154: Fixed a bug in dirsync which allows SYSTEM access with only "GUID_DRS_GET_CHANGES" right. (bsc#1215908) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.4 zypper in -t patch SUSE-2023-4059=1 openSUSE-SLE-15.4-2023-4059=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2023-4059=1

Topics%20covered

Topics Covered

security advisory denial of service critical issue samba security fix important suse

References

* #1213940

* #1215904

* #1215905

* #1215908

Cross-

* CVE-2023-4091

* CVE-2023-4154

* CVE-2023-42669

CVSS scores:

* CVE-2023-4091 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

* CVE-2023-4154 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-42669 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* Basesystem Module 15-SP4

* openSUSE Leap 15.4

* SUSE Linux Enterprise Desktop 15 SP4

* SUSE Linux Enterprise High Availability Extension 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

* SUSE Linux Enterprise Real Time 15 SP4

* SUSE Linux Enterprise Server 15 SP4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4059-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service critical issue samba security fix important suse

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