Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

SUSE: 2021:1399-1 Important: Libnettle Critical Update Severe Security Risk

suse
Calendar Grey April 28, 2021
Scroller Suse
Patch addresses a critical vulnerability in the libnettle library. Follow the suggested steps to apply the fix. Ensure system security.
An update that solves one vulnerability and has one errata is now available

Summary

This update for libnettle fixes the following issues: - CVE-2021-20305: Fixed the multiply function which was being called with out-of-range scalars (bsc#1184401, bsc#1183835). 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-9-2021-1399=1 - SUSE OpenStack Cloud Crowbar 8: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1399=1 - SUSE OpenStack Cloud 9: zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1399=1 - SUSE OpenStack Cloud 8: zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1399=1 - SUSE Linux Enterprise Software Development Kit 12-SP5:

Topics%20covered

Topics Covered

security advisory update critical important SUSE libnettle CVE-2021-20305

References

#1183835 #1184401

Cross- CVE-2021-20305

CVSS scores:

CVE-2021-20305 (NVD) : 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-20305 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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-LTSS-SAP

SUSE Linux Enterprise Server 12-SP...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1399-1
Rating: important

Topics%20covered

Topics Covered

security advisory update critical important SUSE libnettle CVE-2021-20305

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.