tiff: Security fix for CVE-2016-10271

(From OE-Core rev: 8fb9a143e93de5a2de4b7d5fe2712c29d7ca4263)

Signed-off-by: Rajkumar Veer <rveer@mvista.com>
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 31 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2016-10271.patch b/meta/recipes-multimedia/libtiff/files/CVE-2016-10271.patch
new file mode 100644
index 0000000000..4fe5bcd6c7
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2016-10271.patch
@@ -0,0 +1,30 @@
+From 9657bbe3cdce4aaa90e07d50c1c70ae52da0ba6a Mon Sep 17 00:00:00 2001
+From: erouault <erouault>
+Date: Sat, 3 Dec 2016 11:35:56 +0000
+Subject: [PATCH] * tools/tiffcrop.c: fix readContigStripsIntoBuffer() in -i
+ (ignore) mode so that the output buffer is correctly incremented to avoid
+ write outside bounds. Reported by Agostino Sarubbo. Fixes
+ http://bugzilla.maptools.org/show_bug.cgi?id=2620
+
+Upstream-Status: Backport
+CVE: CVE-2016-10271
+Signed-off-by: Rajkumar Veer <rveer@mvista.com>
+
+---
+ ChangeLog        | 7 +++++++
+ tools/tiffcrop.c | 2 +-
+ 2 files changed, 8 insertions(+), 1 deletion(-)
+
+Index: tiff-4.0.7/tools/tiffcrop.c
+===================================================================
+--- tiff-4.0.7.orig/tools/tiffcrop.c
++++ tiff-4.0.7/tools/tiffcrop.c
+@@ -3698,7 +3698,7 @@ static int readContigStripsIntoBuffer (T
+                                   (unsigned long) strip, (unsigned long)rows);
+                         return 0;
+                 }
+-                bufp += bytes_read;
++                bufp += stripsize;
+         }
+ 
+         return 1;
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.7.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.7.bb
index e60cbb564f..48f7986698 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.7.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.7.bb
@@ -11,6 +11,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
            file://CVE-2017-9936.patch \
            file://CVE-2017-10688.patch \
            file://CVE-2017-11335.patch \
+           file://CVE-2016-10271.patch \
           "
 
 SRC_URI[md5sum] = "77ae928d2c6b7fb46a21c3a29325157b"