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SUSE: 2023:4492-1 Important: Rapid Reset Attack Fix for Nghttp2

suse
Calendar Grey November 20, 2023
Dist Suse Esm H88
Secure your SUSE systems by applying the critical nghttp2 update that resolves vulnerabilities related to the significant HTTP/2 Rapid Reset attack.
* bsc#1216123 * bsc#1216174 Cross-References: * CVE-2023-44487

Summary

## This update for nghttp2 fixes the following issues: * CVE-2023-44487: Fixed HTTP/2 Rapid Reset attack. (bsc#1216174) ## 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: * SUSE Linux Enterprise Server for SAP Applications 15 SP1 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-4492=1 * SUSE CaaS Platform 4.0 To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way. * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-4492=1

Topics%20covered

Topics Covered

security advisory important patching reset attack nghttp2 HTTP/2 SUSE CaaS Platform

References

* bsc#1216123

* bsc#1216174

Cross-

* CVE-2023-44487

CVSS scores:

* CVE-2023-44487 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-44487 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE CaaS Platform 4.0

* SUSE Linux Enterprise High Performance Computing 15 SP1

* SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1

* SUSE Linux Enterprise Server 15 SP1

* SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1

* SUSE Linux Enterprise Server for SAP Applications 15 SP1

An update that solves one vulnerability and has one security fix can now be

installed.

##

* https://www.suse.com/security/cve/CVE-2023-44487.html

* https://bugzilla.suse.com/show_bug.cgi?id=1216123

* https://bugzilla.suse.com/show_bug.cgi?id=1216174

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4492-1
Rating: important

Topics%20covered

Topics Covered

security advisory important patching reset attack nghttp2 HTTP/2 SUSE CaaS Platform

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