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Vulnerability Details : 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
Publish Date : 2019-03-21 Last Update Date : 2019-04-05
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication ???
Gained Access None
Vulnerability Type(s) Denial Of Service

- Products Affected By CVE-2019-3871

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 28 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 29 * * * Version Details Vulnerabilities
3 Application Powerdns Authoritative Server * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 2
Powerdns Authoritative Server 1

- References For CVE-2019-3871
BUGTRAQ 20190404 [SECURITY] [DSA 4424-1] pdns security update
MLIST [debian-lts-announce] 20190329 [SECURITY] [DLA 1737-1] pdns security update
SUSE openSUSE-SU-2019:1128
BID 107491 PowerDNS Authoritative Server CVE-2019-3871 Denial of Service Vulnerability Release Date:2019-03-18
MLIST [oss-security] 20190318 PowerDNS Security Advisory 2019-03[email protected]/message/GWUHF6MRSQ3YO7UUISGLV7MXCAGBW2VD/
FEDORA FEDORA-2019-b85d4171d4[email protected]/message/ROFI6OTWF4GKONNSNEDUCW6LVSSEBZNF/
FEDORA FEDORA-2019-9993d32c48

- Metasploit Modules Related To CVE-2019-3871

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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