Input validation error in PowerDNS Recursor and PowerDNS Authoritative - CVE-2022-27227
Published: March 26, 2022
Vulnerability identifier: #VU61631
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-27227
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PowerDNS Recursor
PowerDNS Authoritative
PowerDNS Recursor
PowerDNS Authoritative
Software vendor:
PowerDNS.COM B.V.
PowerDNS.COM B.V.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of an incoming IXFR transfer. A remote attacker can pass specially crafted input to the server and cause incomplete zone transfer to be handled as successful transfers.
Remediation
Install updates from vendor's website.
External links
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-01.html
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2022-01.html
- https://docs.powerdns.com/recursor/security-advisories/index.html
- https://doc.powerdns.com/authoritative/security-advisories/index.html
- http://www.openwall.com/lists/oss-security/2022/03/25/1