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SUSE: CVE-2020-25829: SUSE Linux Security Advisory

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SUSE: CVE-2020-25829: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
10/16/2020
Created
05/13/2021
Added
05/11/2021
Modified
10/22/2021

Description

An issue has been found in PowerDNS Recursor before 4.1.18, 4.2.x before 4.2.5, and 4.3.x before 4.3.5. A remote attacker can cause the cached records for a given name to be updated to the Bogus DNSSEC validation state, instead of their actual DNSSEC Secure state, via a DNS ANY query. This results in a denial of service for installation that always validate (dnssec=validate), and for clients requesting validation when on-demand validation is enabled (dnssec=process).

Solution(s)

  • suse-upgrade-pdns-recursor

References

  • CVE-2020-25829

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