Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.
CVSS Information
N/A
Vulnerability Type
输入验证不恰当
Vulnerability Title
PowerDNS Recursor 输入验证漏洞
Vulnerability Description
PowerDNS Recursor（又名pdns_recursor）是荷兰PowerDNS公司的一款域名解析服务器。 PowerDNS Recursor 4.0.0版本至4.1.4版本中存在安全漏洞。远程攻击者可通过发送DNS查询利用该漏洞造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A