Update buildroot from 17.02.2 -> 17.02.3

bsp/buildroot/package/tiff/0012-libtiff-tif_jpeg.c-validate-BitsPerSample-in-JPEGSet.patch

@@ -0,0 +1,35 @@
+From 0a76a8c765c7b8327c59646284fa78c3c27e5490 Mon Sep 17 00:00:00 2001
+From: erouault <erouault>
+Date: Wed, 11 Jan 2017 16:13:50 +0000
+Subject: [PATCH] * libtiff/tif_jpeg.c: validate BitsPerSample in
+ JPEGSetupEncode() to avoid undefined behaviour caused by invalid shift
+ exponent. Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2648
+
+Fixes CVE-2017-7601
+
+Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
+---
+ libtiff/tif_jpeg.c | 7 +++++++
+ 1 file changed, 13 insertions(+)
+
+diff --git a/libtiff/tif_jpeg.c b/libtiff/tif_jpeg.c
+index 6c17c388..192989a9 100644
+--- a/libtiff/tif_jpeg.c
++++ b/libtiff/tif_jpeg.c
+@@ -1632,6 +1632,13 @@ JPEGSetupEncode(TIFF* tif)
+                             "Invalig horizontal/vertical sampling value");
+                     return (0);
+                 }
++                if( td->td_bitspersample > 16 )
++                {
++                    TIFFErrorExt(tif->tif_clientdata, module,
++                                 "BitsPerSample %d not allowed for JPEG",
++                                 td->td_bitspersample);
++                    return (0);
++                }
+ 
+ 		/*
+ 		 * A ReferenceBlackWhite field *must* be present since the
+-- 
+2.11.0
+