漏洞信息
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Vulnerability Title
vm2: bufferAllocLimit cap bypassed by Buffer.concat and Buffer.from arrayLike
Vulnerability Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, the bufferAllocLimit enforcement in lib/setup-sandbox.js does not cover Buffer.concat(list, totalLength) or Buffer.from(arrayLike) with an attacker-controlled length, allowing sandbox code to perform large synchronous host external-memory allocations that bypass the configured cap and can exhaust the host process. This issue is fixed in version 3.11.6.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
Patrik Simek vm2 资源管理错误漏洞
Vulnerability Description
Patrik Simek vm2是Patrik Simek个人开发者的一个运行不受信任代码的沙箱环境。 Patrik Simek vm2 3.11.6之前版本存在资源管理错误漏洞,该漏洞源于lib/setup-sandbox.js中的bufferAllocLimit限制未涵盖攻击者控制长度的Buffer.concat(list, totalLength)或Buffer.from(arrayLike)操作,允许沙箱代码执行大型同步主机外部内存分配,绕过配置上限并耗尽主机进程。
CVSS Information
N/A
Vulnerability Type
N/A