#VU17347 Security restrictions bypass in PowerDNS Recursor - CVE-2019-3806 

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Main Vulnerability Database Vulnerabilities #VU17347

#VU17347 Security restrictions bypass in PowerDNS Recursor - CVE-2019-3806

Published: February 1, 2019


Vulnerability identifier: #VU17347
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-3806
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
PowerDNS Recursor
Software vendor:
PowerDNS.COM B.V.

Description

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to Lua hooks are not properly applied to queries received over TCP in some specific combination of settings. A remote attacker can bypass security policies enforced using Lua.


Remediation

Update to version 4.1.9.

External links