CVE-2023-22617

Summary

A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://docs.powerdns.com/recursor/security-advisories/
• http://www.openwall.com/lists/oss-security/2023/01/20/1
• https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://docs.powerdns.com/recursor/security-advisories/
• http://www.openwall.com/lists/oss-security/2023/01/20/1
• https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1

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