漏洞信息
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Vulnerability Title
Kestra: Path traversal in `LocalStorage` allows any authenticated user to read arbitrary server files via the execution file-download API (`\..\` bypasses the `..` guard)
Vulnerability Description
Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.23, the local internal-storage backend validates user-supplied paths for .. traversal before it converts Windows-style backslashes to forward slashes. An attacker can therefore smuggle a traversal sequence past the guard using backslashes (..\..\..\); the guard sees a harmless string, and the path is only rewritten to ../../../ after validation, immediately before the file is opened. Any authenticated user who can view an execution (the lowest-privilege role) can call GET /api/v1/{tenant}/executions/{executionId}/file?path=… and read any file on the server filesystem readable by the Kestra process, outside the storage sandbox and across every tenant and namespace. This includes the embedded H2 database (all flows, all users, all stored secrets), internal storage of every other tenant/namespace, mounted secret files, and the process environment (/proc/self/environ) which contains configured database and secret-backend credentials. It is a complete breach of Kestra's storage isolation and multi-tenancy boundary. This vulnerability is fixed in 1.0.45 and 1.3.23.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
kestra-io kestra 处理逻辑错误漏洞
Vulnerability Description
kestra是Kestra公司开源的一个工作流自动化平台。 kestra-io kestra存在安全漏洞,该漏洞源于内部存储后端在处理路径时先验证用户提供的路径是否存在“..”遍历,然后将Windows风格反斜杠转换为正斜杠,导致攻击者使用反斜杠绕过路径验证。以下版本受到影响:1.0.45之前版本、1.1.0至1.3.23之前版本。
CVSS Information
N/A
Vulnerability Type
N/A