Title: Microsoft JET VBA Shell Vulnerability
Severity: HIGH
Description:
A vulnerability affects Microsoft's Jet 3.51 and 4.0 driver (MSJET35.DLL and MSJET40.DLL).
This vulnerability could allow an attacker to create malicious '.xls' or '.doc' files incorporating VBA shell commands. When the file is opened, the shell commands contained in the file will execute on the target system. Command execution will occur in the context of the user that is opening the file.
The file could be distributed via email, the web (including in hidden frames), or any number of methods.
Affected Products:
- Microsoft Access 2000
- Microsoft Access 95
- Microsoft Access 97
- Microsoft Excel 95
- Microsoft Excel 97
- Microsoft JET 3.5
- Microsoft JET 3.51
- Microsoft JET 4.0
References:
- Microsoft: Frequently Asked Questions: Microsoft Security Bulletin (MS99-030)
- Microsoft: Jet 4.0 Expression Can Execute Unsafe Visual Basic for Application Functions
- Microsoft: Jet Expression Can Execute Unsafe Visual Basic for Application Functions
- Microsoft: OFF: Patch Available That Eliminates Security Vulnerabilities in the Microsoft J
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