1 files changed, 40 insertions, 0 deletions

diff --git a/meta/recipes-support/libexif/libexif/CVE-2017-7544.patch b/meta/recipes-support/libexif/libexif/CVE-2017-7544.patch
new file mode 100644
index 0000000000..e49481ff84
--- /dev/null
+++ b/meta/recipes-support/libexif/libexif/CVE-2017-7544.patch
@@ -0,0 +1,40 @@
+From 8a92f964a66d476ca8907234359e92a70fc1325b Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Tue, 28 Aug 2018 15:12:10 +0800
+Subject: [PATCH] On saving makernotes, make sure the makernote container tags
+ has a type with 1 byte components.
+
+Fixes (at least):
+        https://sourceforge.net/p/libexif/bugs/130
+        https://sourceforge.net/p/libexif/bugs/129
+
+Upstream-Status: Backport[https://github.com/libexif/libexif/commit/
+c39acd1692023b26290778a02a9232c873f9d71a#diff-830e348923810f00726700b083ec00cd]
+
+CVE: CVE-2017-7544
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ libexif/exif-data.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/libexif/exif-data.c b/libexif/exif-data.c
+index 67df4db..6bf89eb 100644
+--- a/libexif/exif-data.c
++++ b/libexif/exif-data.c
+@@ -255,6 +255,12 @@ exif_data_save_data_entry (ExifData *data, ExifEntry *e,
+                        exif_mnote_data_set_offset (data->priv->md, *ds - 6);
+                        exif_mnote_data_save (data->priv->md, &e->data, &e->size);
+                        e->components = e->size;
++                        if (exif_format_get_size (e->format) != 1) {
++                               /* e->format is taken from input code,
++                                * but we need to make sure it is a 1 byte
++                                * entity due to the multiplication below. */
++                               e->format = EXIF_FORMAT_UNDEFINED;
++                       }
+                }
+        }
+ 
+-- 
+2.7.4
+