漏洞信息
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Vulnerability Title
libgit2: HTTP transport can leak credentials to an offsite redirect target
Vulnerability Description
libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, the built-in HTTP transport in src/libgit2/transports/http.c follows an offsite initial redirect, and handle_remote_auth and handle_auth pass transport->owner->url instead of transport->server.url to the credential callback when the redirected host returns 401 Unauthorized. A callback that scopes credentials to the original trusted URL can therefore return GIT_CREDENTIAL_USERPASS_PLAINTEXT credentials that libgit2 stores in transport->server.cred and sends as an Authorization header to the redirected host. An attacker who controls a trusted Git host or an open redirect on that host can disclose HTTP Basic credentials, personal access tokens, or equivalent credentials. This issue is fixed in versions 1.8.6 and 1.9.5.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Vulnerability Type
信息暴露
Vulnerability Title
libgit2 信息泄露漏洞
Vulnerability Description
libgit2是Libgit2团队开源的一款可嵌入的Git版本控制库。 libgit2 1.8.6之前版本和1.9.0至1.9.5之前版本存在安全漏洞,该漏洞源于内置HTTP传输遵循站外初始重定向,并将transport->owner->url错误地传递给凭据回调,可能导致攻击者泄露HTTP Basic凭据、个人访问令牌等。
CVSS Information
N/A
Vulnerability Type
N/A