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AUSCERT External Security Bulletin Redistribution
ESB-2021.3993
Security update for bind
24 November 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: bind
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-25219
Reference: ESB-2021.3706
ESB-2021.3647
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20213773-1
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SUSE Security Update: Security update for bind
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:3773-1
Rating: important
References: #1192146
Cross-References: CVE-2021-25219
Affected Products:
SUSE Linux Enterprise Module for Server Applications 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for bind fixes the following issues:
o CVE-2021-25219: Fixed lame cache that could have been abused to severely
degrade resolver performance (bsc#1192146).
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:
o SUSE Linux Enterprise Module for Server Applications 15-SP2:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-3773=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-3773=1
Package List:
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64
ppc64le s390x x86_64):
bind-9.16.6-12.57.1
bind-chrootenv-9.16.6-12.57.1
bind-debuginfo-9.16.6-12.57.1
bind-debugsource-9.16.6-12.57.1
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):
bind-doc-9.16.6-12.57.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
x86_64):
bind-debuginfo-9.16.6-12.57.1
bind-debugsource-9.16.6-12.57.1
bind-devel-9.16.6-12.57.1
bind-utils-9.16.6-12.57.1
bind-utils-debuginfo-9.16.6-12.57.1
libbind9-1600-9.16.6-12.57.1
libbind9-1600-debuginfo-9.16.6-12.57.1
libdns1605-9.16.6-12.57.1
libdns1605-debuginfo-9.16.6-12.57.1
libirs-devel-9.16.6-12.57.1
libirs1601-9.16.6-12.57.1
libirs1601-debuginfo-9.16.6-12.57.1
libisc1606-9.16.6-12.57.1
libisc1606-debuginfo-9.16.6-12.57.1
libisccc1600-9.16.6-12.57.1
libisccc1600-debuginfo-9.16.6-12.57.1
libisccfg1600-9.16.6-12.57.1
libisccfg1600-debuginfo-9.16.6-12.57.1
libns1604-9.16.6-12.57.1
libns1604-debuginfo-9.16.6-12.57.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (noarch):
python3-bind-9.16.6-12.57.1
References:
o https://www.suse.com/security/cve/CVE-2021-25219.html
o https://bugzilla.suse.com/1192146
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