Vulnerability Information
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Vulnerability Title
BuildKit vulnerable to malicious frontend causing file escape outside of storage root
Vulnerability Description
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to version 0.28.1, when using a custom BuildKit frontend, the frontend can craft an API message that causes files to be written outside of the BuildKit state directory for the execution context. The issue has been fixed in v0.28.1. The vulnerability requires using an untrusted BuildKit frontend set with `#syntax` or `--build-arg BUILDKIT_SYNTAX`. Using these options with a well-known frontend image like `docker/dockerfile` is not affected.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
BuildKit 路径遍历漏洞
Vulnerability Description
BuildKit是Moby开源的一个并发、高速缓存高效的构建器工具包。 BuildKit 0.28.1之前版本存在路径遍历漏洞，该漏洞源于自定义BuildKit前端可能构造API消息导致文件写入执行环境之外，可能导致任意文件写入。
CVSS Information
N/A
Vulnerability Type
N/A