A netty3 security update has been released for SUSE Linux Enterprise and openSUSE Leap 15.3/15.4.

SUSE-SU-2022:2047-1: moderate: Security update for netty3

SUSE Security Update: Security update for netty3
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Announcement ID: SUSE-SU-2022:2047-1
Rating: moderate
References: #1193672 #1197787
Cross-References: CVE-2021-43797
CVSS scores:
CVE-2021-43797 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVE-2021-43797 (SUSE): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Products:
SUSE Linux Enterprise Desktop 15-SP3
SUSE Linux Enterprise Desktop 15-SP4
SUSE Linux Enterprise High Performance Computing 15-SP3 SUSE Linux Enterprise High Performance Computing 15-SP4 SUSE Linux Enterprise Module for Development Tools 15-SP3
SUSE Linux Enterprise Module for Development Tools 15-SP4
SUSE Linux Enterprise Server 15-SP3
SUSE Linux Enterprise Server 15-SP4
SUSE Linux Enterprise Server for SAP Applications 15-SP3SUSE Linux Enterprise Server for SAP Applications 15-SP4SUSE Manager Proxy 4.2
SUSE Manager Server 4.2
openSUSE Leap 15.3
openSUSE Leap 15.4
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An update that solves one vulnerability and has one errata is now available.

Description:

This update for netty3 fixes the following issues:

- CVE-2021-43797: Fixed a potential HTTP request smuggling issue due to insufficient validation against control characters (bsc#1193672).

Patch Instructions:

To install this SUSE Security 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-15.4-2022-2047=1

- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2022-2047=1

- SUSE Linux Enterprise Module for Development Tools 15-SP4:
zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2022-2047=1

- SUSE Linux Enterprise Module for Development Tools 15-SP3:
zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP3-2022-2047=1


Package List:

- openSUSE Leap 15.4 (noarch):

netty3-3.10.6-150200.3.3.2
netty3-javadoc-3.10.6-150200.3.3.2

- openSUSE Leap 15.3 (noarch):

netty3-3.10.6-150200.3.3.2
netty3-javadoc-3.10.6-150200.3.3.2

- SUSE Linux Enterprise Module for Development Tools 15-SP4 (noarch):
netty3-3.10.6-150200.3.3.2

- SUSE Linux Enterprise Module for Development Tools 15-SP3 (noarch):
netty3-3.10.6-150200.3.3.2

References:

  https://www.suse.com/security/cve/CVE-2021-43797.html
  https://bugzilla.suse.com/1193672
  https://bugzilla.suse.com/1197787