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CVE-2017-15093

Quick assessment

Affected
PowerDNS PowerDNS 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.x版本至4.0.6版本和3.x版本至3.7.4版本中的API存在安全漏洞，该漏洞源于程序没有充分的验证新的子网掩码和转发区的IP地址。攻击者可利用该漏洞更新Recursor的ACL。

AI Predicted 8.8 Difficulty: Easy EPSS 0.83% · P55
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I. Basic Information for CVE-2017-15093

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When api-config-dir is set to a non-empty value, which is not the case by default, the API in PowerDNS Recursor 4.x up to and including 4.0.6 and 3.x up to and including 3.7.4 allows an authorized user to update the Recursor's ACL by adding and removing netmasks, and to configure forward zones. It was discovered that the new netmask and IP addresses of forwarded zones were not sufficiently validated, allowing an authenticated user to inject new configuration directives into the Recursor's configuration.
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 安全漏洞
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.x版本至4.0.6版本和3.x版本至3.7.4版本中的API存在安全漏洞，该漏洞源于程序没有充分的验证新的子网掩码和转发区的IP地址。攻击者可利用该漏洞更新Recursor的ACL。
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
PowerDNS PowerDNS Recursor 4.x up to and including 4.0.6 -

II. Public POCs for CVE-2017-15093

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III. Intelligence Information for CVE-2017-15093

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Vendor Advisories for CVE-2017-15093 (1)

Other References for CVE-2017-15093 (1)

Same Patch Batch · PowerDNS · 2018-01-23 · 5 CVEs total

CVE-2017-15090 PowerDNS Recursor DNSSEC验证组件安全漏洞
CVE-2017-15091 PowerDNS Authoritative API组件安全漏洞
CVE-2017-15092 PowerDNS Recursor 跨站脚本漏洞
CVE-2017-15094 PowerDNS Recursor 安全漏洞

IV. Related Vulnerabilities

Same product: PowerDNS Recursor
Same vendor: PowerDNS
Same weakness: CWE-20

V. Comments for CVE-2017-15093

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