51882.rar -
: Use open-source tools like 7-Zip, which were not affected by this specific logic flaw.
The vulnerability stems from how WinRAR (versions prior to 6.23) handles archives containing both a file and a folder with the same name. 51882.rar
: WinRAR attempts to extract the file to a temporary directory. Due to the bug, it extracts the contents of the directory poc.png as well. : Use open-source tools like 7-Zip, which were
: A folder named identically to the bait (e.g., poc.png / ). Note the trailing space, which was a key part of bypassing certain string checks. : Use open-source tools like 7-Zip
: A file that looks harmless, such as poc.png or readme.txt .
: Modern EDR and Antivirus solutions now flag the "51882" structure as a "WinRAR exploit" or "Exploit.Win32.WinRAR".
