PassFab Excel Password Recovery 8.3.1 contains a structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious payload in the registration code field. Attackers can craft a buffer overflow payload with a pop-pop-ret gadget and shellcode that triggers code execution when pasted into the Licensed E-mail and Registration Code field during the registration process.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 4
https://www.exploit-db.com/exploits/46301
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https://www.passfab.com/downloads/passfab-excel-password-recovery.exe
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https://www.passfab.com/products/excel-password-recovery.html
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https://www.vulncheck.com/advisories/passfab-excel-password-recovery-seh-buffer…
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