gnu: libtiff: Fix CVE-2016-{10092,10093,10094} and others.

* gnu/packages/patches/libtiff-CVE-2016-10092.patch,
gnu/packages/patches/libtiff-CVE-2016-10093.patch,
gnu/packages/patches/libtiff-CVE-2016-10094.patch,
gnu/packages/patches/libtiff-assertion-failure.patch,
gnu/packages/patches/libtiff-divide-by-zero-ojpeg.patch,
gnu/packages/patches/libtiff-divide-by-zero-tiffcp.patch,
gnu/packages/patches/libtiff-divide-by-zero-tiffcrop.patch,
gnu/packages/patches/libtiff-divide-by-zero.patch,
gnu/packages/patches/libtiff-heap-overflow-pixarlog-luv.patch,
gnu/packages/patches/libtiff-heap-overflow-tif-dirread.patch,
gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch,
gnu/packages/patches/libtiff-heap-overflow-tiffcrop.patch,
gnu/packages/patches/libtiff-invalid-read.patch,
gnu/packages/patches/libtiff-null-dereference.patch,
gnu/packages/patches/libtiff-tiffcp-underflow.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/image.scm (libtiff)[replacement]: New field.
(libtiff/fixed): New variable.

1 files changed, 67 insertions, 0 deletions

diff --git a/gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch b/gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch
new file mode 100644
index 0000000000..f0fef08bf3
--- /dev/null
+++ b/gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch
@@ -0,0 +1,67 @@
+Fix heap buffer overflow in tiffcp when parsing number of inks:
+
+http://bugzilla.maptools.org/show_bug.cgi?id=2599
+
+2016-12-03 Even Rouault <even.rouault at spatialys.com>
+
+        * tools/tif_dir.c: when TIFFGetField(, TIFFTAG_NUMBEROFINKS, ) is
+called,
+        limit the return number of inks to SamplesPerPixel, so that code that
+parses
+        ink names doesn't go past the end of the buffer.
+        Reported by Agostino Sarubbo.
+        Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2599
+
+
+/cvs/maptools/cvsroot/libtiff/ChangeLog,v  <--  ChangeLog
+new revision: 1.1184; previous revision: 1.1183
+/cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v  <--  libtiff/tif_dir.c
+new revision: 1.128; previous revision: 1.127
+
+Index: libtiff/libtiff/tif_dir.c
+===================================================================
+RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v
+retrieving revision 1.127
+retrieving revision 1.128
+diff -u -r1.127 -r1.128
+--- libtiff/libtiff/tif_dir.c	25 Oct 2016 21:35:15 -0000	1.127
++++ libtiff/libtiff/tif_dir.c	3 Dec 2016 15:30:31 -0000	1.128
+@@ -1,4 +1,4 @@
+-/* $Id: tif_dir.c,v 1.127 2016-10-25 21:35:15 erouault Exp $ */
++/* $Id: tif_dir.c,v 1.128 2016-12-03 15:30:31 erouault Exp $ */
+ 
+ /*
+  * Copyright (c) 1988-1997 Sam Leffler
+@@ -854,6 +854,32 @@
+ 	if( fip == NULL ) /* cannot happen since TIFFGetField() already checks it */
+ 	    return 0;
+ 	
++        if( tag == TIFFTAG_NUMBEROFINKS )
++        {
++            int i;
++            for (i = 0; i < td->td_customValueCount; i++) {
++                uint16 val;
++                TIFFTagValue *tv = td->td_customValues + i;
++                if (tv->info->field_tag != tag)
++                    continue;
++                val = *(uint16 *)tv->value;
++                /* Truncate to SamplesPerPixel, since the */
++                /* setting code for INKNAMES assume that there are SamplesPerPixel */
++                /* inknames. */
++                /* Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2599 */
++                if( val > td->td_samplesperpixel )
++                {
++                    TIFFWarningExt(tif->tif_clientdata,"_TIFFVGetField",
++                                   "Truncating NumberOfInks from %u to %u",
++                                   val, td->td_samplesperpixel);
++                    val = td->td_samplesperpixel;
++                }
++                *va_arg(ap, uint16*) = val;
++                return 1;
++            }
++            return 0;
++        }
++
+ 	/*
+ 	 * We want to force the custom code to be used for custom
+ 	 * fields even if the tag happens to match a well known