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SUSE: 2021:1465-1 Important: Stunnel Security Fix for DoS

suse
Calendar Grey May 3, 2021
Scroller Suse
An important security update for stunnel has been released by SUSE, accompanied by guidelines for applying the patch.
An update that solves one vulnerability and has one errata is now available

Summary

This update for stunnel fixes the following issues: - 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: - SUSE Manager Server 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-1465=1 - SUSE Manager Retail Branch Server 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-1465=1 - SUSE Manager Proxy 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-1465=1 - SUSE Linux Enterprise Server for SAP 15-SP1:

Topics%20covered

Topics Covered

security advisory network security update patch important stunnel SUSE

References

#1177580 #1182529

Cross- CVE-2021-20230

CVSS scores:

CVE-2021-20230 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2021-20230 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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 ...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1465-1
Rating: important

Topics%20covered

Topics Covered

security advisory network security update patch important stunnel SUSE

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