An issue was discovered in PowerDNS Authoritative through 4.3.0 when –enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24696
Reference (s):
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html