Vulnerability Information
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Vulnerability Title
Botan: Case-Insensitive CN Values Bypass DNS excludedSubtrees Name Constraints (RFC 5280 Violation)
Vulnerability Description
Botan is a C++ cryptography library. Prior to version 3.11.0, during processing of an X.509 certificate path using name constraints which restrict the set of allowable DNS names, if no subject alternative name is defined in the end-entity certificate Botan would check that the CN was allowed by the DNS name constraints, even though this check is technically not required by RFC 5280. However this check failed to account for the possibility of a mixed-case CN. Thus a certificate with CN=Sub.EVIL.COM and no subject alternative name would bypasses an excludedSubtrees constraint for evil.com because the comparison is case-sensitive. This issue has been patched in version 3.11.0.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Vulnerability Type
证书验证不恰当
Vulnerability Title
Botan 信任管理问题漏洞
Vulnerability Description
Botan是Jack Lloyd个人开发者的一个C++加密库。 Botan 3.11.0之前版本存在信任管理问题漏洞，该漏洞源于处理X.509证书路径时，对混合大小写的通用名称检查不当，可能导致绕过DNS名称约束。
CVSS Information
N/A
Vulnerability Type
N/A