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SUSE: 2021:1826-1 Critical Security Update for Bind DoS Vulnerability

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Calendar Grey June 1, 2021
Scroller Suse
A key update for SUSE tackles complications in bind classified with urgent severity ratings. Obtain the newest patches immediately!
An update that fixes two vulnerabilities is now available

Summary

This update for bind fixes the following issues: - CVE-2021-25214: Fixed a broken inbound incremental zone update (IXFR) which could have caused named to terminate unexpectedly (bsc#1185345). - CVE-2021-25215: Fixed an assertion check which could have failed while answering queries for DNAME records that required the DNAME to be processed to resolve itself (bsc#1185345). - Switched from /var/run to /run (bsc#1185073) - Hardening: Compiled binary with PIE flags to make it position independent 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 Module for Server Applications 15-SP3:

Topics%20covered

Topics Covered

security advisory update critical bind DoS SUSE

References

#1183453 #1185073

Cross- CVE-2021-25214 CVE-2021-25215

CVSS scores:

CVE-2021-25214 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2021-25214 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2021-25215 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2021-25215 (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 Module for Server Applications 15-SP3

SUSE Linux Enterprise Module for Basesystem 15-SP3

https://www.suse.com/security/cve/CVE-2021-25214.html

https://www.suse.com/security/cve/CVE-2021-25215.html

https://bugzilla.suse.com/1183453

https://bugzilla.suse.com/1185073

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1826-1
Rating: important

Topics%20covered

Topics Covered

security advisory update critical bind DoS SUSE

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