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CVE-2019-3807

Quick assessment

Affected
Power DNS pdns-recursor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PowerDNS Recursor（又名pdns_recursor）是荷兰PowerDNS公司的一款域名解析服务器。 PowerDNS Recursor 4.1.9之前的4.1.x版本中存在安全漏洞，该漏洞源于程序没有正确地过滤记录。远程攻击者可利用该漏洞绕过DNSSEC验证。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.35% · P26
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I. Basic Information for CVE-2019-3807

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
PowerDNS Recursor 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
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 4.1.9之前的4.1.x版本中存在安全漏洞，该漏洞源于程序没有正确地过滤记录。远程攻击者可利用该漏洞绕过DNSSEC验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Power DNS pdns-recursor versions 4.1.x before 4.1.9 -

II. Public POCs for CVE-2019-3807

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III. Intelligence Information for CVE-2019-3807

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Vendor Advisories for CVE-2019-3807 (1)

Other References for CVE-2019-3807 (1)

IV. Related Vulnerabilities

Same product: pdns-recursor
Same vendor: Power DNS
Same weakness: CWE-345

V. Comments for CVE-2019-3807

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