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SUSE: 2021:1841-1 Important: Critical dhcp Buffer Overrun Risk

suse
Calendar Grey June 2, 2021
Dist Suse Esm H88
Crucial Slackware patch tackles critical DNS overflow vulnerability, safeguarding system stability and protecting against potential breaches.
An update that fixes one vulnerability is now available

Summary

This update for dhcp fixes the following issues: - CVE-2021-25217: A buffer overrun in lease file parsing code can be used to exploit a common vulnerability shared by dhcpd and dhclient (bsc#1186382) 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-4.0-2021-1841=1 - SUSE Manager Retail Branch Server 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-1841=1 - SUSE Manager Proxy 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-1841=1 - SUSE Linux Enterprise Server for SAP 15-SP1:

Topics%20covered

Topics Covered

security advisory critical buffer overrun SUSE dhcp patch instructions

References

#1186382

Cross- CVE-2021-25217

CVSS scores:

CVE-2021-25217 (SUSE): 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

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 Module for Server Applications 15-SP3

SUSE Linux Enterprise Module for Server Applications 15-SP2

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

...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1841-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical buffer overrun SUSE dhcp patch instructions

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