漏洞信息
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Vulnerability Title
@fastify/busboy vulnerable to Denial of Service via oversized multipart boundary
Vulnerability Description
@fastify/busboy is a multipart form-data parser. In versions 3.1.0 through 3.2.0, a remote unauthenticated attacker can stall the Node.js event loop by sending a multipart request whose boundary is crafted to a specific length. The vendored streaming search stores its skip table in a fixed 256 entry byte array, and a boundary of exactly 252 bytes makes the search needle 256 bytes, which truncates the default skip distance to zero and turns the search into a CPU bound loop on a small body. A single small request can keep one core busy and deny service to other requests handled by the same process. The issue is fixed in @fastify/busboy 3.2.1, which widens the skip table so the skip distance is preserved. Users should upgrade to 3.2.1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
不可达退出条件的循环(无限循环)
Vulnerability Title
Fastify busboy 处理逻辑错误漏洞
Vulnerability Description
Fastify busboy是Fastify组织的一款处理Web表单数据的中间件。 Fastify busboy 3.1.0版本至3.2.0版本存在安全漏洞,该漏洞源于multipart请求边界处理不当,可能导致远程未认证攻击者通过发送特制边界的multipart请求使Node.js事件循环停滞,造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A