ByteDance DeerFlow LocalSandboxProvider Host Bash Escape

ByteDance Deer-Flow versions prior to commit 92c7a20 contain a sandbox escape vulnerability in bash tool handling that allows attackers to execute arbitrary commands on the host system by bypassing regex-based validation using shell features such as directory changes and relative paths. Attackers can exploit the incomplete shell semantics modeling to read and modify files outside the sandbox boundary and achieve arbitrary command execution through subprocess invocation with shell interpretation enabled.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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DeerFlow 安全漏洞

DeerFlow是Bytedance开源的一个开源智能体编排框架，用于协调子代理与技能执行。 DeerFlow 92c7a20之前版本存在安全漏洞，该漏洞源于bash工具处理中存在沙箱逃逸，攻击者可通过利用目录更改和相对路径等shell功能绕过基于正则表达式的验证，在主机系统上执行任意命令，可能导致读取和修改沙箱边界外的文件并通过启用shell解释的子进程调用实现任意命令执行。

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