Race Condition Vulnerability in PowerDNS Authoritative by PowerDNS
CVE-2020-24696

8.1HIGH

Key Information:

Vendor
Powerdns
Status
Authoritative
Vendor
CVE Published:
2 October 2020

Summary

An issue exists in PowerDNS Authoritative versions up to 4.3.0 that allows remote, unauthenticated attackers to exploit a race condition. This vulnerability can be triggered when the experimental GSS-TSIG option is enabled, leading to a crash or potentially allowing arbitrary code execution through crafted DNS queries. Proper mitigation is essential to protect affected systems against unauthorized access and potential damage.

References

https://doc.powerdns.com/authoritative/security-advisorie...
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.