A netty, netty-tcnative security update has been released for openSUSE Leap 15.4/15.5 and SUSE Linux Enterprise 15 SP4/5.

SUSE-SU-2023:2974-1: moderate: Security update for netty, netty-tcnative

# Security update for netty, netty-tcnative

Announcement ID: SUSE-SU-2023:2974-1
Rating: moderate
References:

* #1212637

Cross-References:

* CVE-2023-34462

CVSS scores:

* CVE-2023-34462 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-34462 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* Development Tools Module 15-SP4
* Development Tools Module 15-SP5
* openSUSE Leap 15.4
* openSUSE Leap 15.5
* 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 Real Time 15 SP3
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
* SUSE Manager Proxy 4.3
* SUSE Manager Retail Branch Server 4.3
* SUSE Manager Server 4.3
* SUSE Package Hub 15 15-SP5

An update that solves one vulnerability can now be installed.

## Description:

This update for netty, netty-tcnative fixes the following issues:

Upgrade to upstream version 4.1.94:

* CVE-2023-34462: Allow to limit the maximum lenght of the ClientHello
(bsc#1212637).

## Patch Instructions:

To install this SUSE Moderate 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-15.4-2023-2974=1

* openSUSE Leap 15.5
zypper in -t patch openSUSE-SLE-15.5-2023-2974=1

* Development Tools Module 15-SP4
zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2023-2974=1

* Development Tools Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2023-2974=1

* SUSE Package Hub 15 15-SP5
zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2023-2974=1

* SUSE Linux Enterprise Real Time 15 SP3
zypper in -t patch SUSE-SLE-Product-RT-15-SP3-2023-2974=1

## Package List:

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
* netty-tcnative-2.0.61-150200.3.13.1
* netty-4.1.94-150200.4.17.1
* openSUSE Leap 15.4 (noarch)
* netty-tcnative-javadoc-2.0.61-150200.3.13.1
* netty-poms-4.1.94-150200.4.17.1
* netty-javadoc-4.1.94-150200.4.17.1
* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
* netty-tcnative-2.0.61-150200.3.13.1
* netty-4.1.94-150200.4.17.1
* openSUSE Leap 15.5 (noarch)
* netty-tcnative-javadoc-2.0.61-150200.3.13.1
* netty-poms-4.1.94-150200.4.17.1
* netty-javadoc-4.1.94-150200.4.17.1
* Development Tools Module 15-SP4 (aarch64 ppc64le s390x x86_64)
* netty-tcnative-2.0.61-150200.3.13.1
* Development Tools Module 15-SP5 (aarch64 ppc64le s390x x86_64)
* netty-tcnative-2.0.61-150200.3.13.1
* SUSE Package Hub 15 15-SP5 (aarch64 ppc64le s390x x86_64)
* netty-4.1.94-150200.4.17.1
* SUSE Package Hub 15 15-SP5 (noarch)
* netty-poms-4.1.94-150200.4.17.1
* netty-javadoc-4.1.94-150200.4.17.1
* SUSE Linux Enterprise Real Time 15 SP3 (x86_64)
* netty-tcnative-2.0.61-150200.3.13.1

## References:

* https://www.suse.com/security/cve/CVE-2023-34462.html
* https://bugzilla.suse.com/show_bug.cgi?id=1212637