Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2.6.1 trusts certificate chains in which the last certificate is an arbitrary trusted, self-signed certificate, which allows man-in-the-middle attackers to insert a spoofed certificate for any Distinguished Name (DN).
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
GnuTLS X.509 'verify.c'证书链验证漏洞
Vulnerability Description
GnuTLS是用于实现TLS加密协议的函数库。 GNU TLS库的X.509证书链验证中存在错误，允许中间人用户使用任意名称并诱骗GNU TLS客户端信任该名称。 漏洞具体存在于x509/verify.c文件的_gnutls_x509_verify_certificate函数中： 1. 用可信任证书列表验证证书列表的最后一个单元。 2. 如果是自签名的话，从列表中删除最后一个单元。 3. 检查证书链确保每个证书都由后一个签名，除了最后一个单元。 如果向列表中添加任意的自签名可信任证书，就不会检查可信任证书
CVSS Information
N/A
Vulnerability Type
N/A