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SUSE: 2024:2811-1 Important: Bind Denial Of Service Advisory

suse
Calendar Grey August 7, 2024
Dist Suse Esm H88
Critical announcement regarding bind addresses pertaining to significant security vulnerabilities in SUSE distributions. Learn the best practices to implement the solution safely.
* bsc#1228256 * bsc#1228257 Cross-References: * CVE-2024-1737

Summary

## This update for bind fixes the following issues: * CVE-2024-1737: It is possible to craft excessively large numbers of resource record types for a given owner name, which has the effect of slowing down database processing. This has been addressed by adding a configurable limit to the number of records that can be stored per name and type in a cache or zone database. The default is 100, which can be tuned with the new max- types-per-name option. (bsc#1228256) * CVE-2024-1975: Validating DNS messages signed using the SIG(0) protocol (RFC 2931) could cause excessive CPU load, leading to a denial-of-service condition. Support for SIG(0) message validation was removed from this version of named. (bsc#1228257) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like

References

* bsc#1228256

* bsc#1228257

Cross-

* CVE-2024-1737

* CVE-2024-1975

CVSS scores:

* CVE-2024-1737 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-1975 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 15 SP2

* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2

* SUSE Linux Enterprise Micro 5.0

* SUSE Linux Enterprise Micro 5.1

* SUSE Linux Enterprise Micro 5.2

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Server 15 SP2

* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2

* SUSE Linux Enterprise Server for SAP Applications 15 SP2

* SUSE Manager Client Tools for SLE Micro 5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:2811-1
Rating: important

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