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I. Basic Information for CVE-2017-15120
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
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 4.0.8之前版本中的授权答案的解析存在安全漏洞。攻击者可借助特制的CNAME答案利用该漏洞造成拒绝服务（空指针逆向引用）。
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
PowerDNSpdns-recursor 4.0.8 -
II. Public POCs for CVE-2017-15120
#POC DescriptionSource LinkShenlong Link
1PowerDNS CVE-2017-15120 / DO NOT ABUSEhttps://github.com/shutingrz/CVE-2017-15120_PoCPOC Details
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III. Intelligence Information for CVE-2017-15120
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IV. Related Vulnerabilities
Same product: pdns-recursor
Same vendor: PowerDNS
Same weakness: CWE-476
V. Comments for CVE-2017-15120

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