Vulnerability Information
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Vulnerability Title
Unrestricted file upload leading to privilege escalation in act
Vulnerability Description
act is a project which allows for local running of github actions. The artifact server that stores artifacts from Github Action runs does not sanitize path inputs. This allows an attacker to download and overwrite arbitrary files on the host from a Github Action. This issue may lead to privilege escalation. The /upload endpoint is vulnerable to path traversal as filepath is user controlled, and ultimately flows into os.Mkdir and os.Open. The /artifact endpoint is vulnerable to path traversal as the path is variable is user controlled, and the specified file is ultimately returned by the server. This has been addressed in version 0.2.40. Users are advised to upgrade. Users unable to upgrade may, during implementation of Open and OpenAtEnd for FS, ensure to use ValidPath() to check against path traversal or clean the user-provided paths manually.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Vulnerability Type
危险类型文件的不加限制上传
Vulnerability Title
act 路径遍历漏洞
Vulnerability Description
github act是用于在本地运行 GitHub Actions 的工具。 act 存在路径遍历漏洞，该漏洞源于不会对路径输入进行清理，导致权限升级。
CVSS Information
N/A
Vulnerability Type
N/A