22793.rar Official

RARLAB removed unacev2.dll entirely to fix the issue.

WinRAR failed to properly sanitize these paths, allowing the file to be written outside the intended extraction folder. ⚠️ Security Implications 22793.rar

The flaw existed in unacev2.dll , a third-party library WinRAR used to unpack files. Path Traversal: Attackers could bypass folder restrictions. RARLAB removed unacev2

When a user opens "22793.rar" (or similar ACE-based exploits): Path Traversal: Attackers could bypass folder restrictions

Always run an antivirus scan on archives from unknown sources. If you'd like, I can help you with: Analyzing a specific file you found with this name. Patching your system to ensure you aren't vulnerable. Finding the original research by Check Point Software.

This vulnerability allowed attackers to execute code remotely by simply having a user extract a specially crafted archive. 🛡️ The Vulnerability: CVE-2018-20250

No complex exploit was needed; the Windows Startup folder handled the execution.