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CVE-2019-3806

Date: January 29, 2019

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.

Language: C++

Severity Score

Related Resources (7)

https://security-tracker.debian.org/tracker/CVE-2019-3806
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-3806
https://security.alpinelinux.org/vuln/CVE-2019-3806
https://nvd.nist.gov/vuln/detail/CVE-2019-3806
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3806
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-01.html
https://www.mend.io/vulnerability-database/CVE-2019-3806

Severity Score

Weakness Type (CWE)

Improperly Implemented Security Check for Standard

CWE-358

Security Features

CWE-254

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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