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SUSE: 2021:2156-1 Important Update: libgcrypt Critical Side-Channel

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Calendar Grey June 24, 2021
Scroller Suse
SUSE Security Patch for libgcrypt addresses a severe side-channel flaw in encryption. Urgent update is recommended.
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 OpenStack Cloud Crowbar 9: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-2156=1 - SUSE OpenStack Cloud Crowbar 8: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-2156=1 - SUSE OpenStack Cloud 9: zypper in -t patch SUSE-OpenStack-Cloud-9-2021-2156=1 - SUSE OpenStack Cloud 8: zypper in -t patch SUSE-OpenStack-Cloud-8-2021-2156=1 - SUSE Linux Enterprise Software Development Kit 12-SP5:

Topics%20covered

Topics Covered

security advisory security issue encryption 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 OpenStack Cloud Crowbar 9

SUSE OpenStack Cloud Crowbar 8

SUSE OpenStack Cloud 9

SUSE OpenStack Cloud 8

SUSE Linux Enterprise Software Development Kit 12-SP5

SUSE Linux Enterprise Server for SAP 12-SP4

SUSE Linux Enterprise Server for SAP 12-SP3

SUSE Linux Enterprise Server 12-SP5

SUSE Linux Enterprise Server 12-SP4-LTSS

SUSE Linux Enterprise Server 12-SP3-LTSS

SUSE Linux Enterprise Server 12-SP3-BCL

SUSE Linux Enterprise Server 12-SP2-BCL

HPE Helion Openstack 8

https://www.suse.com/se...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2156-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue encryption important SUSE side-channel libgcrypt

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