CVE-2024-31453— PsiTransfer vulnerable to violation of the integrity of file distribution

PsiTransfer vulnerable to violation of the integrity of file distribution

PsiTransfer is an open source, self-hosted file sharing solution. Prior to version 2.2.0, the absence of restrictions on the endpoint, which allows users to create a path for uploading a file in a file distribution, allows an attacker to add arbitrary files to the distribution. The vulnerability allows an attacker to influence those users who come to the file distribution after them and slip the victim files with a malicious or phishing signature. Version 2.2.0 contains a patch for the issue. CVE-2024-31453 allows users to violate the integrity of a file bucket and upload new files there, while the vulnerability with the number CVE-2024-31454 allows users to violate the integrity of a single file that is uploaded by another user by writing data there and not allows you to upload new files to the bucket. Thus, vulnerabilities are reproduced differently, require different security recommendations and affect different objects of the application’s business logic.

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

危险类型文件的不加限制上传

PsiTransfer 安全漏洞

PsiTransfer是Christoph Wiechert个人开发者的一个简单的开源自托管文件共享解决方案。 PsiTransfer 2.2.0 之前版本存在安全漏洞，该漏洞源于端点没有限制，允许用户在文件分发中创建上传文件的路径，攻击者利用该漏洞可以添加任意文件到分发，并使用恶意或网络钓鱼签名来窃取受害者文件。

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