漏洞信息
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Vulnerability Title
esm.sh: Legacy Route Path Traversal Can Lead to RCE
Vulnerability Description
esm.sh is a no-build content delivery network (CDN) for web development. In 137 and earlier, the legacy router first retrieves a response from legacyServer, parses the incoming request path, and ultimately writes the data to storage via buildStorage.Put. The router concatenates the path components without sanitizing them, producing a storage key. When this key is used, the underlying file system resolves the relative segments and writes the file to the specified path. Thus an attacker can craft a request that writes data to arbitrary locations on the server.
CVSS Information
N/A
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
esm.sh 路径遍历漏洞
Vulnerability Description
esm.sh是esm.sh开源的一个内容分发网络。 esm.sh 137及之前版本存在路径遍历漏洞,该漏洞源于旧版路由器在拼接路径组件时未进行清理,导致攻击者可以构造请求将数据写入服务器上的任意位置。
CVSS Information
N/A
Vulnerability Type
N/A