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SUSE Security Advisory: 2023:4225-1 Critical zchunk Buffer Overflow Fix

suse
Calendar Grey October 27, 2023
Dist Suse Esm H88
Critical zchunk update addresses severe buffer overflow vulnerability affecting various SUSE and openSUSE releases. Immediate attention needed.
* bsc#1216268 Cross-References: * CVE-2023-46228

Summary

## This update for zchunk fixes the following issues: * CVE-2023-46228: Fixed a handle overflow errors in malformed zchunk files. (bsc#1216268) ## 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-2023-4225=1 openSUSE-SLE-15.4-2023-4225=1 * openSUSE Leap Micro 5.3 zypper in -t patch openSUSE-Leap-Micro-5.3-2023-4225=1 * openSUSE Leap Micro 5.4 zypper in -t patch openSUSE-Leap-Micro-5.4-2023-4225=1 * openSUSE Leap 15.5 zypper in -t patch openSUSE-SLE-15.5-2023-4225=1 * SUSE Linux Enterprise High Performance Computing 15 SP4 zypper in -t patch SUSE-SLE-INSTALLER-15-SP4-2023-4225=1

Topics%20covered

Topics Covered

security advisory update buffer overflow patch important SUSE zchunk

References

* bsc#1216268

Cross-

* CVE-2023-46228

CVSS scores:

* CVE-2023-46228 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-46228 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:

* Basesystem Module 15-SP4

* Basesystem Module 15-SP5

* openSUSE Leap 15.4

* openSUSE Leap 15.5

* openSUSE Leap Micro 5.3

* openSUSE Leap Micro 5.4

* SUSE Linux Enterprise Desktop 15 SP4

* SUSE Linux Enterprise Desktop 15 SP5

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

* SUSE Linux Enterprise Real Time 15 SP4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4225-1
Rating: important

Topics%20covered

Topics Covered

security advisory update buffer overflow patch important SUSE zchunk

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