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SUSE: 2021:14714-1 Important: Bind Buffer Overflow Issues Resolved

suse
Calendar Grey May 4, 2021
Scroller Suse
SUSE Security Patch resolves critical concerns in OpenSSH, featuring significant vulnerabilities and multiple ratings handled.
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). 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 Server 11-SP4-LTSS: zypper in -t patch slessp4-bind-14714=1

Topics%20covered

Topics Covered

security advisory buffer overflow bind issue important SUSE

References

#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 Linux Enterprise Server 11-SP4-LTSS

SUSE Linux Enterprise Point of Sale 11-SP3

SUSE Linux Enterprise Debuginfo 11-SP4

SUSE Linux Enterprise Debuginfo 11-SP3

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

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

https://www.suse.com/security/cve/CVE-2021-25216.html

https://bugzilla.suse.com/1185345

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:14714-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow bind issue important SUSE

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