php: Security fix CVE-2016-1903

CVE-2016-1903 php: Out-of-bounds memory read via gdImageRotateInterpolated

Signed-off-by: Armin Kuster <akuster@mvista.com>

meta-oe/recipes-devtools/php/php-5.6.12/CVE-2016-1903.patch

@@ -0,0 +1,55 @@
+From 4b8394dd78571826ac66a69dc240c623f31d78f8 Mon Sep 17 00:00:00 2001
+From: Stanislav Malyshev <stas@php.net>
+Date: Mon, 7 Dec 2015 23:30:49 -0800
+Subject: [PATCH] Fix bug #70976: fix boundary check on
+ gdImageRotateInterpolated
+
+Upstream-Status: Backport
+
+https://git.php.net/?p=php-src.git;a=commit;h=4b8394dd78571826ac66a69dc240c623f31d78f8
+
+CVE:  CVE-2016-1903
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ ext/gd/libgd/gd_interpolation.c |  2 +-
+ ext/gd/tests/bug70976.phpt      | 13 +++++++++++++
+ 2 files changed, 14 insertions(+), 1 deletion(-)
+ create mode 100644 ext/gd/tests/bug70976.phpt
+
+diff --git a/ext/gd/libgd/gd_interpolation.c b/ext/gd/libgd/gd_interpolation.c
+index f70169d..0f874ac 100644
+--- a/ext/gd/libgd/gd_interpolation.c
++++ b/ext/gd/libgd/gd_interpolation.c
+@@ -2162,7 +2162,7 @@ gdImagePtr gdImageRotateInterpolated(const gdImagePtr src, const float angle, in
+ {
+ 	const int angle_rounded = (int)floor(angle * 100);
+ 
+-	if (bgcolor < 0) {
++	if (bgcolor < 0 || bgcolor >= gdMaxColors) {
+ 		return NULL;
+ 	}
+ 
+diff --git a/ext/gd/tests/bug70976.phpt b/ext/gd/tests/bug70976.phpt
+new file mode 100644
+index 0000000..23af4ee
+--- /dev/null
++++ b/ext/gd/tests/bug70976.phpt
+@@ -0,0 +1,13 @@
++--TEST--
++Bug #70976 (Memory Read via gdImageRotateInterpolated Array Index Out of Bounds)
++--SKIPIF--
++<?php
++	if(!extension_loaded('gd')){ die('skip gd extension not available'); }
++?>
++--FILE--
++<?php
++$img = imagerotate(imagecreate(1,1),45,0x7ffffff9);
++var_dump($img);
++?>
++--EXPECTF--
++bool(false)
+\ No newline at end of file
+-- 
+2.3.5
+

meta-oe/recipes-devtools/php/php_5.6.12.bb

@@ -3,6 +3,7 @@ require php.inc
 SRC_URI += "file://change-AC_TRY_RUN-to-AC_TRY_LINK.patch \
             file://CVE-2015-7803.patch \
             file://CVE-2015-7804.patch \
+            file://CVE-2016-1903.patch \
 "
 SRC_URI[md5sum] = "4578dee9d979114610a444bee263ed9b"
 SRC_URI[sha256sum] = "6f27104272af7b2a996f85e4100fac627630fbdaf39d7bd263f16cf529c8853a"