ZDI-20-307: Trend Micro Worry-Free Business Security Directory Traversal Authentication Bypass Vulnerability
This vulnerability allows remote attackers to bypass authentication on affected installations of Trend Micro Worry-Free Business Security. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the TempFileName parameter provided to the cgiRecvFile.exe endpoint. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to bypass authentication on the system.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Trend Micro Worry-Free Business Security |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-307?
The severity of ZDI-20-307 is critical as it allows remote attackers to bypass authentication.
How do I fix ZDI-20-307?
To fix ZDI-20-307, update Trend Micro Worry-Free Business Security to the latest version provided by the vendor.
What are the potential impacts of ZDI-20-307?
The potential impacts of ZDI-20-307 include unauthorized access to system functions and data without authentication.
Which software is affected by ZDI-20-307?
ZDI-20-307 affects Trend Micro Worry-Free Business Security installations.
Is authentication required to exploit ZDI-20-307?
No, authentication is not required to exploit the vulnerability described in ZDI-20-307.
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