漏洞信息
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Vulnerability Title
libgit2 fails to verify SSH keys by default
Vulnerability Description
libgit2 is a cross-platform, linkable library implementation of Git. When using an SSH remote with the optional libssh2 backend, libgit2 does not perform certificate checking by default. Prior versions of libgit2 require the caller to set the `certificate_check` field of libgit2's `git_remote_callbacks` structure - if a certificate check callback is not set, libgit2 does not perform any certificate checking. This means that by default - without configuring a certificate check callback, clients will not perform validation on the server SSH keys and may be subject to a man-in-the-middle attack. Users are encouraged to upgrade to v1.4.5 or v1.5.1. Users unable to upgrade should ensure that all relevant certificates are manually checked.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Vulnerability Type
密码学签名的验证不恰当
Vulnerability Title
libgit2 数据伪造问题漏洞
Vulnerability Description
libgit2是一个可移植、使用C语言实现的Git核心开发包。 libgit2存在数据伪造问题漏洞,该漏洞源于默认情况下libgit2不执行证书检查。
CVSS Information
N/A
Vulnerability Type
N/A