Vulnerability Information
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Vulnerability Title
Wildfire has Arbitrary File Upload via Directory Traversal in UploadFileAction
Vulnerability Description
Wildfire IM is an instant messaging and real-time audio/video solution. Prior to 1.4.3, a critical vulnerability exists in the im-server component related to the file upload functionality found in com.xiaoleilu.loServer.action.UploadFileAction. The application exposes an endpoint (/fs) that handles multipart file uploads but fails to properly sanitize the filename provided by the user. Specifically, the writeFileUploadData method directly concatenates the configured storage directory with the filename extracted from the upload request without stripping directory traversal sequences (e.g., ../../). This vulnerability allows an attacker to write arbitrary files to any location on the server's filesystem where the application process has write permissions. By uploading malicious files (such as scripts, executables, or overwriting configuration files like authorized_keys or cron jobs), an attacker can achieve Remote Code Execution (RCE) and completely compromise the server. This vulnerability is fixed in 1.4.3.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
im-server 代码问题漏洞
Vulnerability Description
im-server是野火IM开源的一个即时通讯系统。 im-server 1.4.3之前版本存在代码问题漏洞，该漏洞源于im-server组件中文件上传功能对用户提供的文件名清理不当，可能导致远程代码执行。
CVSS Information
N/A
Vulnerability Type
N/A