漏洞信息
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Vulnerability Title
proto-default skips SSH verification
Vulnerability Description
When a user invokes curl using a schemeless URL combined with `--proto-default` sftp (or scp), a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 and CURLOPT_SSH_KNOWNHOSTS. Conversely, the libcurl runtime successfully honors CURLOPT_DEFAULT_PROTOCOL and establishes the connection via SFTP/SCP as specified. Because the tool layer skipped the security configuration, these SSH host verification options are silently omitted, causing curl to connect to an unverified SSH remote host without throwing an error.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
curl 加密问题漏洞
Vulnerability Description
curl是瑞典cURL团队开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在加密问题漏洞,该漏洞源于工具层在使用无方案URL并配合--proto-default sftp(或scp)时错误推断URL方案,绕过了关键SSH安全选项(如CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256和CURLOPT_SSH_KNOWNHOSTS)的初始化,导致连接至未验证的SSH远程主机而不报错。
CVSS Information
N/A
Vulnerability Type
N/A