CVE-2016-5427

PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/	Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/09/09/3	Release Notes
https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3
http://www.securityfocus.com/bid/92917
http://www.debian.org/security/2016/dsa-3664
http://www.securitytracker.com/id/1036761

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Configurations

Configuration 1 (hide)

cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*

Information

Published : 2016-09-21 07:25

Updated : 2017-08-12 18:29

NVD link : CVE-2016-5427

Mitre link : CVE-2016-5427

JSON object : View

CWE

CWE-399

Resource Management Errors

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Products Affected

powerdns

authoritative

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