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SUSE: 2021:2155-1 Important: Libgcrypt Side-Channel Risk

suse
Calendar Grey June 24, 2021
Scroller Suse
Important security patch for libgcrypt in SUSE Linux Enterprise resolves a significant side-channel vulnerability.
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 Linux Enterprise Server for SAP 15: zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-2155=1 - SUSE Linux Enterprise Server 15-LTSS: zypper in -t patch SUSE-SLE-Product-SLES-15-2021-2155=1 - SUSE Linux Enterprise High Performance Computing 15-LTSS: zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2155=1 - SUSE Linux Enterprise High Performance Computing 15-ESPOS:

Topics%20covered

Topics Covered

security advisory security issue important SUSE Linux release update 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 Linux Enterprise Server for SAP 15

SUSE Linux Enterprise Server 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-ESPOS

https://www.suse.com/security/cve/CVE-2021-33560.html

https://bugzilla.suse.com/1187212

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:2155-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue important SUSE Linux release update side-channel libgcrypt

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