漏洞信息
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Vulnerability Title
FastGPT: sandbox escape to RCE - code-sandbox regex /\bimport\s*\(/ is bypassable
Vulnerability Description
FastGPT is an AI Agent building platform. Prior to 4.15.0-beta1, the JavaScript sandbox worker at projects/code-sandbox/src/pool/worker.ts:356 blocks dynamic import() with the regex /\bimport\s*\(/.test(code). JavaScript syntax accepts a block comment between import and (; the regex matches only ASCII whitespace, and the bytes /, *, *, / are not in the \s character class. The payload import/**/("child_process") parses as a syntactically valid dynamic import that the regex does not detect. Because import() is not wrapped by the safeRequire Proxy (which only proxies require), the attacker loads child_process and calls execSync - arbitrary command execution as uid=100(sandbox) inside the sandbox container. This vulnerability is fixed in 4.15.0-beta1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Vulnerability Title
FastGPT 安全漏洞
Vulnerability Description
FastGPT是labring开源的一款基于大语言模型的开源知识库问答系统。 FastGPT 4.15.0-beta1之前版本存在安全漏洞,该漏洞源于JavaScript沙箱工作器使用正则表达式/imports*(/测试动态import(),但JavaScript语法允许在import和(之间使用块注释,导致有效载荷import/**/(child_process )绕过检测并执行任意命令。
CVSS Information
N/A
Vulnerability Type
N/A