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CVE-2023-26437— Deterred spoofing attempts can lead to authoritative servers being marked unavailable

CVSS 3.4 · Low EPSS 0.01% · P1
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I. Basic Information for CVE-2023-26437

Vulnerability Information
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Vulnerability Title
Deterred spoofing attempts can lead to authoritative servers being marked unavailable
Source: NVD (National Vulnerability Database)
Vulnerability Description
Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
PowerDNS Recursor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PowerDNS Recursor（pdns_recursor）是荷兰PowerDNS公司的一款域名解析服务器。 PowerDNS Recursor存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。以下是受影响的版本：4.6.5及之前版本，4.7.4及之前版本，4.8.3及之前版本。
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

VendorProductAffected VersionsCPESubscribe
PowerDNSRecursor 0 ~ 4.6.5 -

II. Public POCs for CVE-2023-26437

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III. Intelligence Information for CVE-2023-26437

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IV. Related Vulnerabilities

Same product: Recursor
Same vendor: PowerDNS

V. Comments for CVE-2023-26437

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