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openSUSE: 2022:0946-1 Important: DNS Cache Poisoning Threat

opensuse
Calendar Grey March 24, 2022
Dist Opensuse Esm H88
A significant patch for Fedora rectifies a DNS cache corruption vulnerability in bind identified as CVE-2021-25221.
An update that fixes one vulnerability is now available

Description

This update for bind fixes the following issues:

- CVE-2021-25220: Fixed a DNS cache poisoning vulnerability due to loose

caching rules (bsc#1197135).

Patch

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.4:

zypper in -t patch openSUSE-SLE-15.4-2022-946=1

- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2022-946=1

Package List

- openSUSE Leap 15.4 (x86_64):

bind-devel-32bit-9.16.6-150000.12.60.1

libbind9-1600-32bit-9.16.6-150000.12.60.1

libbind9-1600-32bit-debuginfo-9.16.6-150000.12.60.1

libdns1605-32bit-9.16.6-150000.12.60.1

libdns1605-32bit-debuginfo-9.16.6-150000.12.60.1

libirs1601-32bit-9.16.6-150000.12.60.1

libirs1601-32bit-debuginfo-9.16.6-150000.12.60.1

libisc1606-32bit-9.16.6-150000.12.60.1

libisc1606-32bit-debuginfo-9.16.6-150000.12.60.1

libisccc1600-32bit-9.16.6-150000.12.60.1

libisccc1600-32bit-debuginfo-9.16.6-150000.12.60.1

libisccfg1600-32bit-9.16.6-150000.12.60.1

libisccfg1600-32bit-debuginfo-9.16.6-150000.12.60.1

libns1604-32bit-9.16.6-150000.12.60.1

libns1604-32bit-debuginfo-9.16.6-150000.12.60.1

- openSUSE Leap 15.3 (x86_64):

bind-devel-32bit-9.16.6-150000.12.60.1

libbind9-1600-32bit-9.16.6-150000.12.60.1

libbind9-1600-32bit-debuginfo-9.16.6-150000.12.60.1

libdns1605-32bit-9.16.6-150000.12.60.1

libdns1605-32bit-debuginfo-9.16.6-150000.12.60.1

libirs1601-32bit-9.16.6-150000.12.60.1

libirs1601-32bit-debuginfo-9.16....

Read the Full Advisory

References

https://www.suse.com/security/cve/CVE-2021-25220.html

https://bugzilla.suse.com/1197135

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2022:0946-1
Rating: important
Affected Products: openSUSE Leap 15.3 openSUSE Leap 15.4 .

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