MGASA-2019-0051 - Updated pdns-recursor package fixes security vulnerabilities

Publication date: 23 Jan 2019
URL: https://advisories.mageia.org/MGASA-2019-0051.html
Type: security
Affected Mageia releases: 6
CVE: CVE-2019-3806,
     CVE-2019-3807

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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3806
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3807

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

Mageia 2019-0051: pdns-recursor security update

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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3806

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3807

Resolution

MGASA-2019-0051 - Updated pdns-recursor package fixes security vulnerabilities

SRPMS

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

Severity
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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