High severity · published Jan 29, 2019
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…
8.1
CVSS
1.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PD
pdns-recursor · Power DNS
versions after 4.1.3 before 4.1.9 · source: vendor
RE
Recursor · Powerdns
4.1.4 before 4.1.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3806
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3806
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3806
Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-01.html
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9.8
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