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I. Basic Information for CVE-2020-26961
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding attack. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
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
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 FireFox 存在安全漏洞,该漏洞源于使用基于HTTPS的DNS时,它会故意从响应中过滤RFC1918和相关的IP范围,因为这些来自DoH解析器是没有意义的。 但是,当通过IPv6映射IPv4地址时,这些地址被错误地允许通过,从而导致潜在的DNS重新绑定攻击。
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
MozillaFirefox < 83 -
MozillaFirefox ESR < 78.5 -
MozillaThunderbird < 78.5 -
II. Public POCs for CVE-2020-26961
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III. Intelligence Information for CVE-2020-26961
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IV. Related Vulnerabilities
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