High severity · published Mar 21, 2019
CVE-2019-3871
A vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7
8.8
CVSS
12.6%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.6% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PD
pdns · The PowerDNS Project
4.1.7; 4.0.7 · source: vendor
AS
Authoritative Server · Powerdns
before 4.0.7; 4.1.0 before 4.1.7 · source: NVD
FE
Fedora · Fedoraproject
28; 29 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3871
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3871
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00022.html
Exploit
http://www.openwall.com/lists/oss-security/2019/03/18/4
Third Party Advisory
http://www.securityfocus.com/bid/107491
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3871
Vendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-03.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2019/03/msg00039.html