CVE-2016-6172 Details

CVE-2016-6172

Published: 2016-09-26
Last Modified: 2018-10-30
CVE Author: NIST National Vulnerability Database
CVE Assigner: cve@mitre.org
Summary

PowerDNS (aka pdns) Authoritative Server before 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.

Analysis
Common Vulnerability Score System v2.0
Severity High
Base Score 7.1/10
Exploit Score 8.6/10
Access Vector Network
Access Complexity Medium
Authentication None
Impact Score 6.9/10
Confidentiality Impact None
Availability Impact Complete
Integrity Impact None
Vector String AV:N/AC:M/Au:N/C:N/I:N/A:C
Common Vulnerability Score System v3.1
Severity Medium
Base Score 6.8/10
Exploit Score 2.2/10
Access Vector Network
Access Complexity High
Privileges Required None
Impact Score 4/10
Confidentiality Impact None
Availability Impact High
Integrity Impact None
Scope Changed
User Interaction None
Vector String CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Products Reported
CPE Vulnerable Start Excluding
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Yes - -
cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:* Yes - -
References

http://lists.opensuse.org/opensuse-updates/2016-08/msg00085.html
http://www.debian.org/security/2016/dsa-3664
http://www.openwall.com/lists/oss-security/2016/07/06/3
http://www.securityfocus.com/bid/91678
http://www.securitytracker.com/id/1036242
https://doc.powerdns.com/md/changelog/#powerdns-authoritative-server-401
https://github.com/PowerDNS/pdns/issues/4128
https://github.com/PowerDNS/pdns/issues/4133
https://github.com/PowerDNS/pdns/pull/4134
https://github.com/sischkg/xfer-limit/blob/master/README.md
https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html

CVE ID
CVE-2016-6172
Published
2016-09-26
Modified
2018-10-30
CVSSv2.0
High
CVSSv3.1
Medium
PCI Compliance
Pass
US-CERT Alert
No
CWE
CWE-400

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