漏洞信息
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Vulnerability Title
multer vulnerable to file size limit bypass via async fileFilter race condition
Vulnerability Description
multer is a middleware for handling multipart/form-data in Node.js. When an application uses an asynchronous fileFilter together with the fileSize limit, a race condition in multer's file stream handling can allow a file that exceeds the configured size limit to bypass the size-limit rejection. All versions before 2.3.0 are affected. The impact is limited because the underlying multipart parser still truncates the stream at the size limit, so this is a bypass of the limit rejection rather than uncontrolled resource consumption. The issue is fixed in multer 2.3.0. Upgrade to multer 2.3.0 to remediate.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Vulnerability Title
expressjs Multer 竞争条件问题漏洞
Vulnerability Description
expressjs Multer是expressjs组织开源的一个用于Node.js中间件。 expressjs Multer 2.3.0之前版本存在竞争条件问题漏洞,该漏洞源于使用异步fileFilter与fileSize限制时文件流处理存在竞争条件,可能导致超过配置大小限制的文件绕过大小限制拒绝。
CVSS Information
N/A
Vulnerability Type
N/A