National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-3871 Detail

Current Description

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

Source:  MITRE
Description Last Modified:  03/21/2019
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
4.0.7
 cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.1.0
Up to (excluding)
4.1.7

Configuration 2 ( hide )
 cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-3871
NVD Published Date:
03/21/2019
NVD Last Modified:
04/05/2019