Vulnerability Information
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Vulnerability Title
Symlink bypasses filesystem sandbox in wasmer
Vulnerability Description
Wasmer is a web assembly (wasm) Runtime supporting WASIX, WASI and Emscripten. If the preopened directory has a symlink pointing outside, WASI programs can traverse the symlink and access host filesystem if the caller sets both `oflags::creat` and `rights::fd_write`. Programs can also crash the runtime by creating a symlink pointing outside with `path_symlink` and `path_open`ing the link. This issue has been addressed in commit `b9483d022` which has been included in release version 4.3.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
Wasmer 安全漏洞
Vulnerability Description
Wasmer是Wasmer开源的一个应用软件，使轻量级的容器能够在任何地方运行。 Wasmer 4.3.2之前版本存在安全漏洞，该漏洞源于绕过文件系统沙盒。
CVSS Information
N/A
Vulnerability Type
N/A