: Fixed. This vulnerability was patched in August 2023. Systems running WinRAR 6.23 or newer are not susceptible to this specific exploit. Recommendations
: Ensure WinRAR is updated to version 6.23 or later .
: The malicious code executed by the exploit; in this PoC, it usually triggers calc.exe to demonstrate successful execution. Risk Assessment
: A Python utility used to generate the specially crafted archive.
: Logic flaw in how WinRAR processes ZIP/RAR archives containing files and folders with the same name.
: CVE-2023-38831 affecting WinRAR versions prior to 6.23.
: High. An attacker can achieve full system compromise if a user opens a file within the malicious archive.
The file is a publicly available exploit package hosted on Exploit-DB , specifically designed to demonstrate a Remote Code Execution (RCE) vulnerability in WinRAR (CVE-2023-38831) . Technical Report: 52948.rar Analysis