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SUSE: 2021:1469-1 Important: Bind Critical Issues Resolved

suse
Calendar Grey May 4, 2021
Scroller Suse
This release tackles a variety of concerns, enhancing the security and reliability of SUSE's bind. Discover additional details regarding the remedies provided.
An update that fixes three 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). - CVE-2021-25216: Fixed an issue where policy negotiation can be targeted by a buffer overflow attack (bsc#1185345). - MD5 warning message using host, dig, nslookup (bind-utils) with FIPS enabled (bsc#1181495). 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:

Topics%20covered

Topics Covered

security advisory buffer overflow critical bind SUSE DNAME zone update

References

#1181495 #1185345

Cross- CVE-2021-25214 CVE-2021-25215 CVE-2021-25216

CVSS scores:

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

CVE-2021-25216 (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 8

SUSE OpenStack Cloud 8

SUSE Linux Enterprise Server for SAP 12-SP3

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-SP2-LTSS-ERICSSON

SUSE Linux Enterprise Server 12-SP2-BCL

HPE Helion Openstack 8

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

https://www.suse.com/securit...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1469-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow critical bind SUSE DNAME zone update

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