{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/authoritative-server/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Authoritative Server"],"_cs_severities":["medium"],"_cs_tags":["vulnerability","denial-of-service","information-disclosure"],"_cs_type":"advisory","_cs_vendors":["PowerDNS"],"content_html":"\u003cp\u003eMultiple vulnerabilities exist within PowerDNS Authoritative Server. An attacker could exploit these weaknesses to achieve several malicious outcomes. These include unauthorized disclosure of sensitive information, the ability to manipulate existing data, and the potential to initiate a denial-of-service (DoS) condition, rendering the server unavailable to legitimate users. This vulnerability advisory highlights the potential risks associated with running unpatched instances of PowerDNS Authoritative Server and underscores the need for timely security updates. The advisory serves as a critical alert for system administrators responsible for maintaining PowerDNS Authoritative Server instances.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a vulnerable PowerDNS Authoritative Server instance.\u003c/li\u003e\n\u003cli\u003eAttacker crafts a malicious request targeting a specific vulnerability, such as a buffer overflow or input validation issue.\u003c/li\u003e\n\u003cli\u003eThe malicious request is sent to the PowerDNS Authoritative Server.\u003c/li\u003e\n\u003cli\u003eThe server processes the request, triggering the vulnerability.\u003c/li\u003e\n\u003cli\u003eDepending on the vulnerability, the attacker may be able to disclose sensitive information, such as zone data or internal configurations.\u003c/li\u003e\n\u003cli\u003eAlternatively, the attacker could manipulate data stored on the server, potentially altering DNS records.\u003c/li\u003e\n\u003cli\u003eThe attacker may also be able to cause a denial-of-service condition by crashing the server or exhausting its resources.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities can lead to significant consequences. Information disclosure could expose sensitive zone data, allowing attackers to gain insights into the target network\u0026rsquo;s infrastructure. Data manipulation could allow attackers to redirect traffic to malicious servers by altering DNS records. A denial-of-service condition would prevent legitimate users from resolving domain names, disrupting network services and potentially causing financial losses.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade PowerDNS Authoritative Server to the latest patched version as provided by the vendor to remediate the vulnerabilities described.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic for suspicious requests targeting PowerDNS Authoritative Server to detect potential exploitation attempts. Deploy the Sigma rules below to your SIEM to identify malicious activity.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-22T06:54:34Z","date_published":"2026-05-22T06:54:34Z","id":"https://feed.craftedsignal.io/briefs/2026-05-powerdns-vulns/","summary":"Multiple vulnerabilities in PowerDNS Authoritative Server allow an attacker to disclose information, manipulate data, and cause a denial-of-service condition.","title":"PowerDNS Authoritative Server Multiple Vulnerabilities","url":"https://feed.craftedsignal.io/briefs/2026-05-powerdns-vulns/"}],"language":"en","title":"CraftedSignal Threat Feed — Authoritative Server","version":"https://jsonfeed.org/version/1.1"}