Revision e39333e8cf06271b88e45b9347531cb40f0fe31b authored by Konstantin Belousov on 22 July 2012, 00:44:22 UTC, committed by Konstantin Belousov on 22 July 2012, 00:44:22 UTC
Fix several reads beyond the mapped first page of the binary in the ELF parser. Specifically, do not allow note reader and interpreter path comparision in the brandelf code to read past end of the page. This may happen if specially crafter ELF image is activated. Approved by: re (hrs)
1 parent 553d3b4
cccust.h
/*
* Copyright (c) 2004
* Hartmut Brandt
* All rights reserved.
*
* Author: Hartmut Brandt <harti@freebsd.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Begemot: libunimsg/libngatm/cccust.h,v 1.2 2004/07/16 18:48:24 brandt Exp $
*
* Customisation of call control source to user space.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#define CCASSERT(E, M) assert(E)
#define CCMALLOC(S) (malloc((S)))
#define CCZALLOC(S) (calloc(1, (S)))
#define CCFREE(P) do { free(P); } while (0)
#define CCGETERRNO() (errno)
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