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AUSCERT External Security Bulletin Redistribution
ESB-2021.1524
Security update for stunnel
5 May 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: stunnel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20230
Reference: ESB-2021.0904
ESB-2021.0791
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20211465-1
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SUSE Security Update: Security update for stunnel
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1465-1
Rating: important
References: #1177580 #1182529
Cross-References: CVE-2021-20230
Affected Products:
SUSE Manager Server 4.0
SUSE Manager Retail Branch Server 4.0
SUSE Manager Proxy 4.0
SUSE Linux Enterprise Server for SAP 15-SP1
SUSE Linux Enterprise Server for SAP 15
SUSE Linux Enterprise Server 15-SP1-LTSS
SUSE Linux Enterprise Server 15-SP1-BCL
SUSE Linux Enterprise Server 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
SUSE Linux Enterprise High Performance Computing 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-ESPOS
SUSE Enterprise Storage 6
SUSE CaaS Platform 4.0
______________________________________________________________________________
An update that solves one vulnerability and has one errata is now available.
Description:
This update for stunnel fixes the following issues:
o Security fix: [bsc#1177580, bsc#1182529, CVE-2021-20230] * "redirect"
option does not properly handle "verifyChain = yes"
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:
o SUSE Manager Server 4.0:
zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-1465=1
o SUSE Manager Retail Branch Server 4.0:
zypper in -t patch
SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-1465=1
o SUSE Manager Proxy 4.0:
zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-1465=1
o SUSE Linux Enterprise Server for SAP 15-SP1:
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-1465=1
o SUSE Linux Enterprise Server for SAP 15:
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-1465=1
o SUSE Linux Enterprise Server 15-SP1-LTSS:
zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-1465=1
o SUSE Linux Enterprise Server 15-SP1-BCL:
zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-1465=1
o SUSE Linux Enterprise Server 15-LTSS:
zypper in -t patch SUSE-SLE-Product-SLES-15-2021-1465=1
o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:
zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-1465=1
o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:
zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-1465=1
o SUSE Linux Enterprise High Performance Computing 15-LTSS:
zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1465=1
o SUSE Linux Enterprise High Performance Computing 15-ESPOS:
zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1465=1
o SUSE Enterprise Storage 6:
zypper in -t patch SUSE-Storage-6-2021-1465=1
o SUSE CaaS Platform 4.0:
To install this update, use the SUSE CaaS Platform 'skuba' tool. I will
inform you if it detects new updates and let you then trigger updating of
the complete cluster in a controlled way.
Package List:
o SUSE Manager Server 4.0 (ppc64le s390x x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Manager Retail Branch Server 4.0 (x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Manager Proxy 4.0 (x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64
x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64
x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE Enterprise Storage 6 (aarch64 x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
o SUSE CaaS Platform 4.0 (x86_64):
stunnel-5.44-3.8.1
stunnel-debuginfo-5.44-3.8.1
stunnel-debugsource-5.44-3.8.1
References:
o https://www.suse.com/security/cve/CVE-2021-20230.html
o https://bugzilla.suse.com/1177580
o https://bugzilla.suse.com/1182529
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