From owner-freebsd-security  Thu Mar  6  6:15:56 2003
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Date: Thu, 6 Mar 2003 15:15:47 +0100 (CET)
From: Guy Poizat <guy@device.dyndns.org>
Message-Id: <200303061415.h26EFlhD004317@device.dyndns.org>
To: freebsd-security@freebsd.org
Subject: Prov. patch for the file hole ISS disclosed
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Here is my suggestion. Feel free to comment/correct me,
as this is my first ever C line out of a windows system :]
I tested it against RELENG_4.

--- src/contrib/file/readelf.c	Sun Nov 26 22:37:21 2000
+++ src/contrib/file/readelf.c.patched	Thu Mar  6 15:02:44 2003
@@ -141,6 +141,9 @@
 	Elf32_Shdr sh32;
 	Elf64_Shdr sh64;
 
+	if ( size > ( class == ELFCLASS32 ?  sizeof(Elf32_Shdr) : sizeof(Elf64_Shdr) ) )
+		return;
+
 	if (lseek(fd, off, SEEK_SET) == -1)
 		error("lseek failed (%s).\n", strerror(errno));
 

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