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SUSE: 2021:2157-1 Important: libgcrypt Fix for Side-Channel Issue

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Calendar Grey June 24, 2021
Scroller Suse
Patches addressing CVE-2021-33560 for libgcrypt are now released for various SUSE Linux versions. Please ensure systems are updated.
An update that fixes one vulnerability is now available

Summary

This update for libgcrypt fixes the following issues: - CVE-2021-33560: Fixed a side-channel against ElGamal encryption, caused by missing exponent blinding (bsc#1187212). 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 MicroOS 5.0: zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-2157=1 - SUSE Manager Server 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-2157=1 - SUSE Manager Retail Branch Server 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-2157=1 - SUSE Manager Proxy 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-2157=1

Topics%20covered

Topics Covered

security advisory encryption patch important SUSE side-channel libgcrypt

References

#1187212

Cross- CVE-2021-33560

CVSS scores:

CVE-2021-33560 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2021-33560 (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 MicroOS 5.0

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 15-SP1-LTSS

SUSE Linux Enterprise Server 15-SP1-BCL

SUSE Linux Enterprise Module for Basesystem 15-SP3

SUSE Linux Enterprise Module for Basesystem 15-SP2

SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS

SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS

SUSE Enterprise Storage 6

SUSE CaaS Platform...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2157-1
Rating: important

Topics%20covered

Topics Covered

security advisory encryption patch important SUSE side-channel libgcrypt

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