Vulnerability Details : CVE-2019-3806
An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua.
Products affected by CVE-2019-3806
- cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
Threat overview for CVE-2019-3806
Top countries where our scanners detected CVE-2019-3806
Top open port discovered on systems with this issue
53
IPs affected by CVE-2019-3806 173
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2019-3806
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3806
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
5.4
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:H |
1.2
|
4.2
|
Red Hat, Inc. | |
8.1
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2019-3806
-
The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2019-3806
-
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-01.html
PowerDNS Security Advisory 2019-01: Lua hooks are not applied in certain configurations — PowerDNS Recursor documentationVendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3806
1669421 – (CVE-2019-3806) CVE-2019-3806 pdns-recursor: Lua hooks are not applied in certain configurationIssue Tracking;Third Party Advisory
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