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CVE-2018-14644

Quick assessment

Affected
[UNKNOWN] pdns
Exploitation
High exploitation probability; assess promptly
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 4.0.0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。

AI Predicted 5.9 Difficulty: Moderate EPSS 4.84% · P92

Possible ATT&CK Techniques 1 AI

T1040 · Network Sniffing
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I. Basic Information for CVE-2018-14644

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 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PowerDNS Recursor 输入验证漏洞
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 4.0.0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。
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
[UNKNOWN] pdns 4.0.9 -

II. Public POCs for CVE-2018-14644

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III. Intelligence Information for CVE-2018-14644

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Other References for CVE-2018-14644 (1)

IV. Related Vulnerabilities

Same product: pdns
Same vendor: [UNKNOWN]
Same weakness: CWE-20

V. Comments for CVE-2018-14644

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