1 files changed, 40 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2017-7592.patch b/meta/recipes-multimedia/libtiff/files/CVE-2017-7592.patch
new file mode 100644
index 0000000000..5b80445f31
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2017-7592.patch
@@ -0,0 +1,40 @@
+From 48780b4fcc425cddc4ef8ffdf536f96a0d1b313b Mon Sep 17 00:00:00 2001
+From: erouault <erouault>
+Date: Wed, 11 Jan 2017 16:38:26 +0000
+Subject: [PATCH] * libtiff/tif_getimage.c: add explicit uint32 cast in putagreytile to
+avoid UndefinedBehaviorSanitizer warning.
+Patch by Nicolas Pena.
+Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2658
+
+Upstream-Status: Backport
+CVE: CVE-2017-7592
+Signed-off-by: Rajkumar Veer <rveer@mvista.com>
+
+Index: tiff-4.0.7/ChangeLog
+===================================================================
+--- tiff-4.0.7.orig/ChangeLog   2017-04-24 14:25:10.143926025 +0530
++++ tiff-4.0.7/ChangeLog        2017-04-24 15:20:21.291839230 +0530
+@@ -1,3 +1,10 @@
++2017-01-11 Even Rouault <even.rouault at spatialys.com>
++
++       * libtiff/tif_getimage.c: add explicit uint32 cast in putagreytile to
++       avoid UndefinedBehaviorSanitizer warning.
++       Patch by Nicolas Pena.
++       Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2658
++
+ 2016-12-03 Even Rouault <even.rouault at spatialys.com>
+ 
+        * libtiff/tif_dirread.c: modify ChopUpSingleUncompressedStrip() to
+Index: tiff-4.0.7/libtiff/tif_getimage.c
+===================================================================
+--- tiff-4.0.7.orig/libtiff/tif_getimage.c      2016-11-18 08:17:45.000000000 +0530
++++ tiff-4.0.7/libtiff/tif_getimage.c   2017-04-24 15:17:46.671843283 +0530
+@@ -1305,7 +1305,7 @@
+     while (h-- > 0) {
+        for (x = w; x-- > 0;)
+         {
+-            *cp++ = BWmap[*pp][0] & (*(pp+1) << 24 | ~A1);
++            *cp++ = BWmap[*pp][0] & ((uint32)*(pp+1) << 24 | ~A1);
+             pp += samplesperpixel;
+         }
+        cp += toskew;