Possible Fixing List
- IP Address
- Port Number
- Return Address
- Shellcode
- Offset
Cross-Compliling Exploit C Code
- Installing WinGW-64
sudo apt install mingw-w64
sudo apt install mingw-w64
- Compiling the exploit
i686-w64-mingw32-gcc exploit.c -o exploit.exe
During an assessment, I identified a severe security vulnerability within Open eClass, an e-learning platform extensively utilized across educational institutions, notably within Greece, where it is deployed by virtually all Greek Universities and educational entities. Open eClass, developed by GUnet (Greek Universities Network), is instrumental in delivering asynchronous e-learning services. The vulnerability, cataloged under CVE-2024-26503, involves an unrestricted file upload flaw that enables remote code execution (RCE), impacting versions 3.15 and earlier of the platform. This critical security lapse presents a significant risk, potentially allowing unauthorized access and control over the system, thereby compromising the integrity and security of the educational infrastructure. Affected Versions: ● version <= 3.15 CVSSv3.1 Base Score: 9.1 ( Critical ) CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Exploitation Guide The vulnerability can be e...