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6.8
CVSSv3

CVE-2016-6172

Published: 26/09/2016 Updated: 30/10/2018
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.8 | Impact Score: 4 | Exploitability Score: 2.2
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
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Vulnerability Summary

PowerDNS (aka pdns) Authoritative Server prior to 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.

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opensuse leap 42.1

opensuse opensuse 13.2

powerdns authoritative server

Vendor Advisories

Debian CVElist Bug Report Logs: pdns: CVE-2016-6172: Improper restriction of zone size limit
Debian Bug report logs - #830808 pdns: CVE-2016-6172: Improper restriction of zone size limit Package: src:pdns; Maintainer for src:pdns is pdns packagers <pdns@packagesdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 11 Jul 2016 18:45:06 UTC Severity: important Tags: security, upstream ...
Debian Security Advisories: DSA-3664-1 pdns -- security update
Multiple vulnerabilities have been discovered in pdns, an authoritative DNS server The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2016-5426 / CVE-2016-5427 Florian Heinz and Martin Kluge reported that the PowerDNS Authoritative Server accepts queries with a qname's length larger than 255 bytes ...

References

CWE-400http://lists.opensuse.org/opensuse-updates/2016-08/msg00085.htmlhttps://doc.powerdns.com/md/changelog/#powerdns-authoritative-server-401https://github.com/PowerDNS/pdns/pull/4134https://github.com/PowerDNS/pdns/issues/4133https://github.com/PowerDNS/pdns/issues/4128http://www.openwall.com/lists/oss-security/2016/07/06/3https://github.com/sischkg/xfer-limit/blob/master/README.mdhttps://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.htmlhttp://www.securityfocus.com/bid/91678http://www.debian.org/security/2016/dsa-3664http://www.securitytracker.com/id/1036242https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=830808https://nvd.nist.govhttps://www.debian.org/security/./dsa-3664
CVSSv3
CVSSv2
CVSSv3
VMScore
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