Double-Free Vulnerability in PowerDNS Authoritative by PowerDNS
CVE-2020-24698
9.8CRITICAL
Summary
An issue in PowerDNS Authoritative versions up to 4.3.0 allows remote, unauthenticated attackers to exploit a double-free vulnerability. This can be triggered by sending specially crafted queries that include a GSS-TSIG signature. Successful exploitation may result in a crash of the service or possibly lead to arbitrary code execution, posing significant security risks to affected systems.
References
CVSS V3.1
Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved