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SUSE: 2023:4524-1 Important: OpenSSL-1_1 DoS Vulnerability Fix

suse
Calendar Grey November 21, 2023
Dist Suse Esm H88
Critical security patch released for OpenSSL 1.1 on SUSE addresses a DoS flaw. Implement the update immediately.
* bsc#1216922 Cross-References: * CVE-2023-5678

Summary

## This update for openssl-1_1 fixes the following issues: * CVE-2023-5678: Fixed generating and checking of excessively long X9.42 DH keys that resulted in a possible Denial of Service (bsc#1216922). ## 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 openSUSE-SLE-15.4-2023-4524=1 SUSE-2023-4524=1 * openSUSE Leap Micro 5.3 zypper in -t patch openSUSE-Leap-Micro-5.3-2023-4524=1 * openSUSE Leap Micro 5.4 zypper in -t patch openSUSE-Leap-Micro-5.4-2023-4524=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2023-4524=1 * SUSE Linux Enterprise Micro 5.3

Topics%20covered

Topics Covered

security advisory important Denial of Service SUSE openssl CVE reference patch instructions

References

* bsc#1216922

Cross-

* CVE-2023-5678

CVSS scores:

* CVE-2023-5678 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-5678 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products:

* Basesystem Module 15-SP4

* openSUSE Leap 15.4

* openSUSE Leap Micro 5.3

* openSUSE Leap Micro 5.4

* SUSE Linux Enterprise Desktop 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

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

* SUSE Manager Proxy 4.3

* SUSE Manager Retail Branch Server 4.3

* SUSE Manager Server 4.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4524-1
Rating: important

Topics%20covered

Topics Covered

security advisory important Denial of Service SUSE openssl CVE reference patch instructions

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