Denial of Service Attack via Repeated Processing and Caching of Specific Resource Record Sets
CVE-2024-25590

7.5HIGH

Key Information:

Vendor
Powerdns
Status
Vendor
CVE Published:
3 October 2024

Summary

PowerDNS Recursor is susceptible to a vulnerability that allows an attacker to publish a zone consisting of specific Resource Record Sets. This action can initiate repeated processing and caching of the said records, ultimately triggering a denial of service condition. When exploited, the affected system can become unresponsive, disrupting service availability for legitimate users.

Affected Version(s)

Recursor 0 < 4.9.9

Recursor 5.0.0 < 5.0.9

Recursor 5.1.0 < 5.1.2

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Toshifumi Sakaguchi
.