Snes9K 0.0.9z contains a buffer overflow vulnerability in the Netplay Socket Port Number field that allows local attackers to trigger a structured exception handler (SEH) overwrite. Attackers can craft a malicious payload and paste it into the Socket Port Number field via the Netplay Options menu to achieve code execution through SEH chain exploitation.
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://sourceforge.net/projects/snes9k/
disclosure@vulncheck.com
https://sourceforge.net/projects/snes9k/files/latest/download
disclosure@vulncheck.com
https://www.exploit-db.com/exploits/45598
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/snes9k-9z-buffer-overflow-seh-via-netplay-…
disclosure@vulncheck.com