RGui 3.5.0 contains a local buffer overflow vulnerability in the GUI preferences dialog that allows attackers to bypass DEP protections through structured exception handling exploitation. Attackers can craft malicious input in the Language for menus and messages field to trigger a stack-based buffer overflow, execute a ROP chain for VirtualAlloc allocation, and achieve arbitrary code execution.
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://cran.r-project.org/bin/windows/base/old/3.5.0/R-3.5.0-win.exe
disclosure@vulncheck.com
https://www.exploit-db.com/exploits/46107
disclosure@vulncheck.com
https://www.r-project.org/
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/rgui-local-buffer-overflow-seh-dep-bypass
disclosure@vulncheck.com