CVE-2019-3871

A vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7. An insufficient validation of data coming from the user when building a HTTP request from a DNS query in the HTTP Connector of the Remote backend, allowing a remote user to cause a denial of service by making the server connect to an invalid endpoint, or possibly information disclosure by making the server connect to an internal endpoint and somehow extracting meaningful information about the response

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

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

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-03.html	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3871	Exploit Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/107491	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2019/03/18/4	Exploit Mailing List Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GWUHF6MRSQ3YO7UUISGLV7MXCAGBW2VD/	Mailing List Release Notes Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ROFI6OTWF4GKONNSNEDUCW6LVSSEBZNF/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00022.html
https://www.debian.org/security/2019/dsa-4424
https://seclists.org/bugtraq/2019/Apr/8

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:powerdns:authoritative_server::::::::
	cpe:2.3:a:powerdns:authoritative_server::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:28:::::::*
	cpe:2.3:o:fedoraproject:fedora:29:::::::*

Information

Published : 2019-03-21 14:29

Updated : 2019-04-04 22:29

NVD link : CVE-2019-3871

Mitre link : CVE-2019-3871

JSON object : View

CWE

CWE-20

Improper Input Validation

Products Affected

fedoraproject

fedora

powerdns

authoritative_server

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8.8 /10