CVE-2026-34580— Botan 信任管理问题漏洞
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一、 漏洞 CVE-2026-34580 基础信息
漏洞信息
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Vulnerability Title
Botan has a certificate authentication bypass due to trust anchor confusion
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
Botan is a C++ cryptography library. In 3.11.0, the function Certificate_Store::certificate_known had a misleading name; it would return true if any certificate in the store had a DN (and subject key identifier, if set) matching that of the argument. It did not check that the cert it found and the cert it was passed were actually the same certificate. In 3.11.0 an extension of path validation logic was made which assumed that certificate_known only returned true if the certificates were in fact identical. The impact is that if an end entity certificate is presented, and its DN (and subject key identifier, if set) match that of any trusted root, the end entity certificate is accepted immediately as if it itself were a trusted root. , This vulnerability is fixed in 3.11.1.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
证书验证不恰当
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Botan 信任管理问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Botan是Jack Lloyd个人开发者的一个C++加密库。 Botan 3.11.0版本存在信任管理问题漏洞，该漏洞源于Certificate_Store::certificate_known函数逻辑错误，可能导致接受不匹配的终端实体证书。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2026-34580 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
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IV. Related Vulnerabilities
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