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Mageia: 2019-0051 Moderate Security Advisory for PowerDNS Recursor

mageia
Calendar Grey January 23, 2019
Dist Mageia Esm H88
PowerDNS Recursor resolves critical vulnerabilities in Mageia influencing DNS configurations. Learn about the remedies in MGASA-2019-0051.
An issue has been found in PowerDNS Recursor where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing secu...

Summary

An issue has been found in PowerDNS Recursor where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua (CVE-2019-3806).
An issue has been found in PowerDNS Recursor where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation (CVE-2019-3807).

References

- https://bugs.mageia.org/show_bug.cgi?id=24218

- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-01.html

- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.html

- https://www.cve.org/CVERecord?id=CVE-2019-3806

- https://www.cve.org/CVERecord?id=CVE-2019-3807

Resolution

SRPMS

- 6/core/pdns-recursor-4.1.9-1.mga6

Publication date: 23 Jan 2019
URL: https://advisories.mageia.org/MGASA-2019-0051.html
Type: security
CVE: CVE-2019-3806, CVE-2019-3807

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