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openSUSE: 2022:0105-1 Critical: pdns-recursor IXFR Synchronization Problem

opensuse
Calendar Grey April 7, 2022
Dist Opensuse Esm H88
Crucial Fedora upgrade addresses dnsmasq flaw, strengthening protection against DDoS attacks during DHCP communications.
An update that fixes one vulnerability is now available

Description

This update for pdns-recursor fixes the following issues:

- CVE-2022-27227: Fixed incomplete validation of incoming IXFR transfers.

It applies to setups retrieving one or more RPZ zones from a remote

server if the network path to the server is not trusted. (boo#1197525)

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 Backports SLE-15-SP3:

zypper in -t patch openSUSE-2022-105=1

Package List

- openSUSE Backports SLE-15-SP3 (aarch64 ppc64le s390x x86_64):

pdns-recursor-4.3.5-bp153.2.3.1

References

https://www.suse.com/security/cve/CVE-2022-27227.html

https://bugzilla.suse.com/1197525

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2022:0105-1
Rating: important
Affected Products: openSUSE Backports SLE-15-SP3 .

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