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I. Basic Information for CVE-2021-36754
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
PowerDNS Authoritative Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Powerdns PowerDNS Authoritative Server是荷兰PowerDNS（Powerdns）公司的一款DNS服务器。 PowerDNS Authoritative Server存在缓冲区错误漏洞，该漏洞的存在是由于处理DNS查询时的边界条件。远程攻击者可利用该漏洞可以使用QTYPE 65535发送一个特别设计的查询，触发边界读取错误并执行拒绝服务(DoS)攻击。该漏洞允许远程攻击者可利用该漏洞执行拒绝服务(DoS)攻击。
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
-n/a n/a -
II. Public POCs for CVE-2021-36754
#POC DescriptionSource LinkShenlong Link
1PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception. https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2021/CVE-2021-36754.yamlPOC Details
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III. Intelligence Information for CVE-2021-36754
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2021-36754

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