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SUSE 2024:1982-1 Critical: Bind Denial Of Service Issues Fixed

suse
Calendar Grey June 11, 2024
Dist Suse Esm H88
Urgent security notice regarding bind addresses with severe service interruptions risking possible denial of service.
* bsc#1219823 * bsc#1219826 * bsc#1219851 * bsc#1219852 * bsc#1219854

Summary

## This update for bind fixes the following issues: * CVE-2023-4408: Fixed denial of service during DNS message parsing with different names (bsc#1219851) * CVE-2023-50387: Fixed denial of service during DNS messages validation with DNSSEC signatures (bsc#1219823) * CVE-2023-50868: Fixed denial of service during NSEC3 closest encloser proof preparation (bsc#1219826) * CVE-2023-5517: Fixed denial of service caused by specific queries with nxdomain-redirect enabled (bsc#1219852) * CVE-2023-6516: Fixed denial of service caused by specific queries that continuously triggered cache database maintenance (bsc#1219854) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Topics%20covered

Topics Covered

security advisory denial of service critical software update bind patch SUSE

References

* bsc#1219823

* bsc#1219826

* bsc#1219851

* bsc#1219852

* bsc#1219854

Cross-

* CVE-2023-4408

* CVE-2023-50387

* CVE-2023-50868

* CVE-2023-5517

* CVE-2023-6516

CVSS scores:

* CVE-2023-4408 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-50387 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-50387 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-50868 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-5517 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-6516 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* Basesystem Module 15-SP6

* openSUSE Leap 15.3

* SUSE Enterprise Storage 7.1

* SUSE Linux Enterprise Desktop 15 SP6

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:1982-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service critical software update bind patch SUSE

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