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I. Basic Information for CVE-2002-1221
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
BIND 8.x through 8.3.3 allows remote attackers to cause a denial of service (crash) via SIG RR elements with invalid expiry times, which are removed from the internal BIND database and later cause a null dereference.
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
ISC BIND SIG资源记录无效过期时间拒绝服务攻击漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BIND是一个应用非常广泛的DNS协议的实现，由ISC(Internet Software Consortium)负责维护，具体的开发由Nominum(www.nominum.com)公司来完成。 允许递归查询的BIND 8服务器可能会由于使用一个无效空指针而造成服务中断。一个控制了一个权威域名服务器的攻击者可以导致受影响的BIND 8服务器试图缓存带有无效过期时间的SIG资源记录的信息。这些记录会被从BIND内部数据库中删除，但BIND仍然会错误地引用这些记录，从而造成拒绝服务攻击。
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
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II. Public POCs for CVE-2002-1221
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III. Intelligence Information for CVE-2002-1221
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IV. Related Vulnerabilities
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Same vendor: n/a
V. Comments for CVE-2002-1221

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