CVE-2016-5427 in PowerDNS

Summary

PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.

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• Reservation: 06/10/2016
• Disclosure: 09/21/2016
• Moderation: VulDB entry created
• Entries: 1: VDB-91409
• CPE: ready
• CWE: CWE-399 (Confirmed)
• CVSS: 7.5
• EPSS: 0.85547
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2016-5427
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-5427
• CVE Details: https://www.cvedetails.com/cve/CVE-2016-5427/