gnu: gd: Fix CVE-2016-{5766,6128,6132,6214}.

* gnu/packages/patches/gd-CVE-2016-5766.patch,
gnu/packages/patches/gd-CVE-2016-6128.patch,
gnu/packages/patches/gd-CVE-2016-6132.patch,
gnu/packages/patches/gd-CVE-2016-6214.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/gd.scm (gd): Use patches.

6 files changed, 463 insertions, 0 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index 71409b9735..536ecef4ea 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -510,6 +510,10 @@ dist_patch_DATA =						\
   %D%/packages/patches/gcc-cross-environment-variables.patch	\
   %D%/packages/patches/gcc-libvtv-runpath.patch			\
   %D%/packages/patches/gcc-5.0-libvtv-runpath.patch		\
+  %D%/packages/patches/gd-CVE-2016-5766.patch			\
+  %D%/packages/patches/gd-CVE-2016-6128.patch			\
+  %D%/packages/patches/gd-CVE-2016-6132.patch			\
+  %D%/packages/patches/gd-CVE-2016-6214.patch			\
   %D%/packages/patches/gegl-CVE-2012-4433.patch			\
   %D%/packages/patches/geoclue-config.patch			\
   %D%/packages/patches/ghostscript-CVE-2015-3228.patch		\
diff --git a/gnu/packages/gd.scm b/gnu/packages/gd.scm
index b4e634969e..700de33a7a 100644
--- a/gnu/packages/gd.scm
+++ b/gnu/packages/gd.scm
@@ -47,6 +47,10 @@
              (uri (string-append
                    "https://github.com/libgd/libgd/releases/download/gd-"
                    version "/libgd-" version ".tar.xz"))
+             (patches (search-patches "gd-CVE-2016-5766.patch"
+                                      "gd-CVE-2016-6128.patch"
+                                      "gd-CVE-2016-6132.patch"
+                                      "gd-CVE-2016-6214.patch"))
              (sha256
               (base32
                "1311g5mva2xlzqv3rjqjc4jjkn5lzls4skvr395h633zw1n7b7s8"))))
diff --git a/gnu/packages/patches/gd-CVE-2016-5766.patch b/gnu/packages/patches/gd-CVE-2016-5766.patch
new file mode 100644
index 0000000000..400cb0ab48
--- /dev/null
+++ b/gnu/packages/patches/gd-CVE-2016-5766.patch
@@ -0,0 +1,81 @@
+Fix CVE-2016-5766 (Integer Overflow in _gd2GetHeader() resulting in heap
+overflow).
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5766
+
+Adapted from upstream commits:
+https://github.com/libgd/libgd/commit/aba3db8ba159465ecec1089027a24835a6da9cc0
+https://github.com/libgd/libgd/commit/a6a0e7feabb2a9738086a5dc96348f233c87fa79
+
+Since `patch` cannot apply Git binary diffs, we omit the addition of
+'tests/gd2/php_bug_72339.c' and its associated binary data.
+
+From aba3db8ba159465ecec1089027a24835a6da9cc0 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Tue, 28 Jun 2016 16:23:42 +0700
+Subject: [PATCH] fix php bug 72339 (CVE-2016-5766), Integer Overflow in
+ _gd2GetHeader() resulting in heap overflow
+
+---
+ src/gd_gd2.c                    |   5 ++++-
+ tests/gd2/CMakeLists.txt        |   1 +
+ tests/gd2/Makemodule.am         |   6 ++++--
+ tests/gd2/php_bug_72339.c       |  21 +++++++++++++++++++++
+ tests/gd2/php_bug_72339_exp.gd2 | Bin 0 -> 67108882 bytes
+ 5 files changed, 30 insertions(+), 3 deletions(-)
+ create mode 100644 tests/gd2/php_bug_72339.c
+ create mode 100644 tests/gd2/php_bug_72339_exp.gd2
+
+diff --git a/src/gd_gd2.c b/src/gd_gd2.c
+index fd1e0c9..bdbbecf 100644
+--- a/src/gd_gd2.c
++++ b/src/gd_gd2.c
+@@ -154,8 +154,11 @@ _gd2GetHeader (gdIOCtxPtr in, int *sx, int *sy,
+ 		nc = (*ncx) * (*ncy);
+ 		GD2_DBG (printf ("Reading %d chunk index entries\n", nc));
+ 		sidx = sizeof (t_chunk_info) * nc;
++		if (overflow2(sidx, nc)) {
++			goto fail1;
++		}
+ 		cidx = gdCalloc (sidx, 1);
+-		if (!cidx) {
++		if (cidx == NULL) {
+ 			goto fail1;
+ 		}
+ 		for (i = 0; i < nc; i++) {
+From a6a0e7feabb2a9738086a5dc96348f233c87fa79 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Wed, 29 Jun 2016 09:36:26 +0700
+Subject: [PATCH] fix php bug 72339 (CVE-2016-5766), Integer Overflow in
+ _gd2GetHeader() resulting in heap overflow. Sync with php's sync
+
+---
+ src/gd_gd2.c              | 7 ++++++-
+ tests/gd2/php_bug_72339.c | 2 +-
+ 2 files changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/src/gd_gd2.c b/src/gd_gd2.c
+index bdbbecf..2837456 100644
+--- a/src/gd_gd2.c
++++ b/src/gd_gd2.c
+@@ -152,11 +152,16 @@ _gd2GetHeader (gdIOCtxPtr in, int *sx, int *sy,
+ 
+ 	if (gd2_compressed (*fmt)) {
+ 		nc = (*ncx) * (*ncy);
++
+ 		GD2_DBG (printf ("Reading %d chunk index entries\n", nc));
++		if (overflow2(sizeof(t_chunk_info), nc)) {
++			goto fail1;
++		}
+ 		sidx = sizeof (t_chunk_info) * nc;
+-		if (overflow2(sidx, nc)) {
++		if (sidx <= 0) {
+ 			goto fail1;
+ 		}
++
+ 		cidx = gdCalloc (sidx, 1);
+ 		if (cidx == NULL) {
+ 			goto fail1;
+-- 
+2.9.1
+
diff --git a/gnu/packages/patches/gd-CVE-2016-6128.patch b/gnu/packages/patches/gd-CVE-2016-6128.patch
new file mode 100644
index 0000000000..45ee6b0cfa
--- /dev/null
+++ b/gnu/packages/patches/gd-CVE-2016-6128.patch
@@ -0,0 +1,253 @@
+Fix CVE-2016-6128 (invalid color index is not properly handled leading
+to denial of service).
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=2016-6128
+
+Copied from upstream commits:
+https://github.com/libgd/libgd/compare/3fe0a7128bac5000fdcfab888bd2a75ec0c9447d...fd623025505e87bba7ec8555eeb72dae4fb0afd
+
+From 1ccfe21e14c4d18336f9da8515cd17db88c3de61 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Mon, 27 Jun 2016 11:17:39 +0700
+Subject: [PATCH 1/8] fix php 72494, invalid color index not handled, can lead
+ to crash
+
+---
+ src/gd_crop.c        | 4 ++++
+ tests/CMakeLists.txt | 1 +
+ tests/Makefile.am    | 1 +
+ 3 files changed, 6 insertions(+)
+
+diff --git a/src/gd_crop.c b/src/gd_crop.c
+index 0296633..532b49b 100644
+--- a/src/gd_crop.c
++++ b/src/gd_crop.c
+@@ -136,6 +136,10 @@ BGD_DECLARE(gdImagePtr) gdImageCropThreshold(gdImagePtr im, const unsigned int c
+ 		return NULL;
+ 	}
+ 
++	if (color < 0 || (!gdImageTrueColor(im) && color >= gdImageColorsTotal(im))) {
++		return NULL;
++	}
++
+ 	/* TODO: Add gdImageGetRowPtr and works with ptr at the row level
+ 	 * for the true color and palette images
+ 	 * new formats will simply work with ptr
+diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
+index 6f5c786..5093d52 100644
+--- a/tests/CMakeLists.txt
++++ b/tests/CMakeLists.txt
+@@ -31,6 +31,7 @@ if (BUILD_TEST)
+ 		gdimagecolortransparent
+ 		gdimagecopy
+ 		gdimagecopyrotated
++        gdimagecrop
+ 		gdimagefile
+ 		gdimagefill
+ 		gdimagefilledellipse
+diff --git a/tests/Makefile.am b/tests/Makefile.am
+index 4f6e756..5a0ebe8 100644
+--- a/tests/Makefile.am
++++ b/tests/Makefile.am
+@@ -25,6 +25,7 @@ include gdimagecolorresolve/Makemodule.am
+ include gdimagecolortransparent/Makemodule.am
+ include gdimagecopy/Makemodule.am
+ include gdimagecopyrotated/Makemodule.am
++include gdimagecrop/Makemodule.am
+ include gdimagefile/Makemodule.am
+ include gdimagefill/Makemodule.am
+ include gdimagefilledellipse/Makemodule.am
+-- 
+2.9.1
+
+From 8c9f39c7cb1f62ea00bc7a48aff64d3811c2d6d0 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Mon, 27 Jun 2016 11:20:07 +0700
+Subject: [PATCH 2/8] fix php 72494, invalid color index not handled, can lead
+ to crash
+
+---
+ tests/gdimagecrop/.gitignore | 1 +
+ 1 file changed, 1 insertion(+)
+ create mode 100644 tests/gdimagecrop/.gitignore
+
+diff --git a/tests/gdimagecrop/.gitignore b/tests/gdimagecrop/.gitignore
+new file mode 100644
+index 0000000..8e8c9c3
+--- /dev/null
++++ b/tests/gdimagecrop/.gitignore
+@@ -0,0 +1 @@
++/php_bug_72494
+-- 
+2.9.1
+
+From 8de370b7b6263a02268037a7cd13ddd991b43ea9 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Mon, 27 Jun 2016 11:24:50 +0700
+Subject: [PATCH 3/8] fix php 72494, invalid color index not handled, can lead
+ to crash
+
+---
+ tests/gdimagecrop/CMakeLists.txt | 5 +++++
+ 1 file changed, 5 insertions(+)
+ create mode 100644 tests/gdimagecrop/CMakeLists.txt
+
+diff --git a/tests/gdimagecrop/CMakeLists.txt b/tests/gdimagecrop/CMakeLists.txt
+new file mode 100644
+index 0000000..f7e4c7e
+--- /dev/null
++++ b/tests/gdimagecrop/CMakeLists.txt
+@@ -0,0 +1,5 @@
++SET(TESTS_FILES
++	php_bug_72494
++)
++
++ADD_GD_TESTS()
+-- 
+2.9.1
+
+From bca12e4e11ecda8a0ea719472700ad5c2b36a0d6 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Mon, 27 Jun 2016 11:25:12 +0700
+Subject: [PATCH 4/8] fix php 72494, invalid color index not handled, can lead
+ to crash
+
+---
+ tests/gdimagecrop/Makemodule.am | 5 +++++
+ 1 file changed, 5 insertions(+)
+ create mode 100644 tests/gdimagecrop/Makemodule.am
+
+diff --git a/tests/gdimagecrop/Makemodule.am b/tests/gdimagecrop/Makemodule.am
+new file mode 100644
+index 0000000..210888b
+--- /dev/null
++++ b/tests/gdimagecrop/Makemodule.am
+@@ -0,0 +1,5 @@
++libgd_test_programs += \
++	gdimagecrop/php_bug_72494
++
++EXTRA_DIST += \
++	gdimagecrop/CMakeLists.txt
+-- 
+2.9.1
+
+From 6ff72ae40c7c20ece939afb362d98cc37f4a1c96 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Mon, 27 Jun 2016 11:25:40 +0700
+Subject: [PATCH 5/8] fix php 72494, invalid color index not handled, can lead
+ to crash
+
+---
+ tests/gdimagecrop/php_bug_72494.c | 23 +++++++++++++++++++++++
+ 1 file changed, 23 insertions(+)
+ create mode 100644 tests/gdimagecrop/php_bug_72494.c
+
+diff --git a/tests/gdimagecrop/php_bug_72494.c b/tests/gdimagecrop/php_bug_72494.c
+new file mode 100644
+index 0000000..adaa379
+--- /dev/null
++++ b/tests/gdimagecrop/php_bug_72494.c
+@@ -0,0 +1,23 @@
++#include <stdio.h>
++#include <stdlib.h>
++#include "gd.h"
++
++#include "gdtest.h"
++
++int main()
++{
++	gdImagePtr im, exp;
++	int error = 0;
++
++	im = gdImageCreate(50, 50);
++
++	if (!im) {
++		gdTestErrorMsg("gdImageCreate failed.\n");
++		return 1;
++	}
++
++	gdImageCropThreshold(im, 1337, 0);
++	gdImageDestroy(im);
++	/* this bug tests a crash, it never reaches this point if the bug exists*/
++	return 0;
++}
+-- 
+2.9.1
+
+From a0f9f8f7bd0d3a6c6afd6d180b8e75d93aadddfa Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Mon, 27 Jun 2016 11:38:07 +0700
+Subject: [PATCH 6/8] fix php 72494, CID 149753, color is unsigned int, remove
+ useless <0 comparison
+
+---
+ src/gd_crop.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/gd_crop.c b/src/gd_crop.c
+index 532b49b..d51ad67 100644
+--- a/src/gd_crop.c
++++ b/src/gd_crop.c
+@@ -136,7 +136,7 @@ BGD_DECLARE(gdImagePtr) gdImageCropThreshold(gdImagePtr im, const unsigned int c
+ 		return NULL;
+ 	}
+ 
+-	if (color < 0 || (!gdImageTrueColor(im) && color >= gdImageColorsTotal(im))) {
++	if (!gdImageTrueColor(im) && color >= gdImageColorsTotal(im)) {
+ 		return NULL;
+ 	}
+ 
+-- 
+2.9.1
+
+From 907115fbb980862934d0de91af4977a216745039 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Mon, 27 Jun 2016 11:51:40 +0700
+Subject: [PATCH 7/8] fix php 72494, CID 149753, color is unsigned int, remove
+ useless <0 comparison
+
+---
+ tests/gdimagecrop/php_bug_72494.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tests/gdimagecrop/php_bug_72494.c b/tests/gdimagecrop/php_bug_72494.c
+index adaa379..5cb589b 100644
+--- a/tests/gdimagecrop/php_bug_72494.c
++++ b/tests/gdimagecrop/php_bug_72494.c
+@@ -6,7 +6,7 @@
+ 
+ int main()
+ {
+-	gdImagePtr im, exp;
++	gdImagePtr im;
+ 	int error = 0;
+ 
+ 	im = gdImageCreate(50, 50);
+-- 
+2.9.1
+
+From fd623025505e87bba7ec8555eeb72dae4fb0afdc Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Mon, 27 Jun 2016 12:04:25 +0700
+Subject: [PATCH 8/8] fix php 72494, CID 149753, color is unsigned int, remove
+ useless <0 comparison
+
+---
+ tests/gdimagecrop/php_bug_72494.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/tests/gdimagecrop/php_bug_72494.c b/tests/gdimagecrop/php_bug_72494.c
+index 5cb589b..3bd19be 100644
+--- a/tests/gdimagecrop/php_bug_72494.c
++++ b/tests/gdimagecrop/php_bug_72494.c
+@@ -7,7 +7,6 @@
+ int main()
+ {
+ 	gdImagePtr im;
+-	int error = 0;
+ 
+ 	im = gdImageCreate(50, 50);
+ 
+-- 
+2.9.1
+
diff --git a/gnu/packages/patches/gd-CVE-2016-6132.patch b/gnu/packages/patches/gd-CVE-2016-6132.patch
new file mode 100644
index 0000000000..4c475b71b2
--- /dev/null
+++ b/gnu/packages/patches/gd-CVE-2016-6132.patch
@@ -0,0 +1,55 @@
+Fix CVE-2016-6132 (read out-of-bounds when parsing TGA files).
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=2016-6132
+
+Copied from upstream commit:
+https://github.com/libgd/libgd/commit/ead349e99868303b37f5e6e9d9d680c9dc71ff8d
+
+From ead349e99868303b37f5e6e9d9d680c9dc71ff8d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@sury.org>
+Date: Tue, 12 Jul 2016 11:24:09 +0200
+Subject: [PATCH] Fix #247, A read out-of-bands was found in the parsing of TGA
+ files (CVE-2016-6132)
+
+---
+ src/gd_tga.c | 13 +++++++++++--
+ 1 file changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/src/gd_tga.c b/src/gd_tga.c
+index ef20f86..20fe2d2 100644
+--- a/src/gd_tga.c
++++ b/src/gd_tga.c
+@@ -237,7 +237,11 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga )
+ 			return -1;
+ 		}
+ 
+-		gdGetBuf(conversion_buffer, image_block_size, ctx);
++		if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
++			gd_error("gd-tga: premature end of image data\n");
++			gdFree(conversion_buffer);
++			return -1;
++		}
+ 
+ 		while (buffer_caret < image_block_size) {
+ 			tga->bitmap[buffer_caret] = (int) conversion_buffer[buffer_caret];
+@@ -257,11 +261,16 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga )
+ 		}
+ 		conversion_buffer = (unsigned char *) gdMalloc(image_block_size * sizeof(unsigned char));
+ 		if (conversion_buffer == NULL) {
++			gd_error("gd-tga: premature end of image data\n");
+ 			gdFree( decompression_buffer );
+ 			return -1;
+ 		}
+ 
+-		gdGetBuf( conversion_buffer, image_block_size, ctx );
++		if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
++			gdFree(conversion_buffer);
++			gdFree(decompression_buffer);
++			return -1;
++		}
+ 
+ 		buffer_caret = 0;
+ 
+-- 
+2.9.1
+
diff --git a/gnu/packages/patches/gd-CVE-2016-6214.patch b/gnu/packages/patches/gd-CVE-2016-6214.patch
new file mode 100644
index 0000000000..7894a32bb1
--- /dev/null
+++ b/gnu/packages/patches/gd-CVE-2016-6214.patch
@@ -0,0 +1,66 @@
+Fix CVE-2016-6214 (read out-of-bounds when parsing TGA files).
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6214
+
+Adapted from upstream commit:
+https://github.com/libgd/libgd/commit/341aa68843ceceae9ba6e083431f14a07bd92308
+
+Since `patch` cannot apply Git binary diffs, we omit the addition of
+'tests/tga/bug00247a.c' and its associated binary data.
+
+From 341aa68843ceceae9ba6e083431f14a07bd92308 Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <cmbecker69@gmx.de>
+Date: Tue, 12 Jul 2016 19:23:13 +0200
+Subject: [PATCH] Unsupported TGA bpp/alphabit combinations should error
+ gracefully
+
+Currently, only 24bpp without alphabits and 32bpp with 8 alphabits are
+really supported. All other combinations will be rejected with a warning.
+
+(cherry picked from commit cb1a0b7e54e9aa118270c23a4a6fe560e4590dc9)
+---
+ src/gd_tga.c             |  16 ++++++----------
+ tests/tga/.gitignore     |   1 +
+ tests/tga/CMakeLists.txt |   1 +
+ tests/tga/Makemodule.am  |   4 +++-
+ tests/tga/bug00247a.c    |  19 +++++++++++++++++++
+ tests/tga/bug00247a.tga  | Bin 0 -> 36 bytes
+ 6 files changed, 30 insertions(+), 11 deletions(-)
+ create mode 100644 tests/tga/bug00247a.c
+ create mode 100644 tests/tga/bug00247a.tga
+
+diff --git a/src/gd_tga.c b/src/gd_tga.c
+index 20fe2d2..b4f8fa6 100644
+--- a/src/gd_tga.c
++++ b/src/gd_tga.c
+@@ -99,7 +99,7 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromTgaCtx(gdIOCtx* ctx)
+ 			if (tga->bits == TGA_BPP_24) {
+ 				*tpix = gdTrueColor(tga->bitmap[bitmap_caret + 2], tga->bitmap[bitmap_caret + 1], tga->bitmap[bitmap_caret]);
+ 				bitmap_caret += 3;
+-			} else if (tga->bits == TGA_BPP_32 || tga->alphabits) {
++			} else if (tga->bits == TGA_BPP_32 && tga->alphabits) {
+ 				register int a = tga->bitmap[bitmap_caret + 3];
+ 
+ 				*tpix = gdTrueColorAlpha(tga->bitmap[bitmap_caret + 2], tga->bitmap[bitmap_caret + 1], tga->bitmap[bitmap_caret], gdAlphaMax - (a >> 1));
+@@ -159,16 +159,12 @@ int read_header_tga(gdIOCtx *ctx, oTga *tga)
+ 	printf("wxh: %i %i\n", tga->width, tga->height);
+ #endif
+ 
+-	switch(tga->bits) {
+-	case 8:
+-	case 16:
+-	case 24:
+-	case 32:
+-		break;
+-	default:
+-		gd_error("bps %i not supported", tga->bits);
++	if (!((tga->bits == TGA_BPP_24 && tga->alphabits == 0)
++		|| (tga->bits == TGA_BPP_32 && tga->alphabits == 8)))
++	{
++		gd_error_ex(GD_WARNING, "gd-tga: %u bits per pixel with %u alpha bits not supported\n",
++			tga->bits, tga->alphabits);
+ 		return -1;
+-		break;
+ 	}
+ 
+ 	tga->ident = NULL;