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SUSE: 2023:4518-1 Important: OpenSSL Denial of Service Issue

suse
Calendar Grey November 21, 2023
Dist Suse Esm H88
Important update released for openssl-1_1 addresses possible service interruptions. SUSE users advised to apply this patch.
* 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 15.5 zypper in -t patch SUSE-2023-4518=1 openSUSE-SLE-15.5-2023-4518=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2023-4518=1 * Basesystem Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4518=1 ## Package List: * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586) * openssl-1_1-debugsource-1.1.1l-150500.17.22.1

Topics%20covered

Topics Covered

security advisory denial of service patch openssl important update suse linux

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-SP5

* openSUSE Leap 15.5

* SUSE Linux Enterprise Desktop 15 SP5

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Real Time 15 SP5

* SUSE Linux Enterprise Server 15 SP5

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-5678.html

* https://bugzilla.suse.com/show_bug.cgi?id=1216922

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4518-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service patch openssl important update suse linux

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