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authorChangqing Li <changqing.li@windriver.com>2018-08-28 15:22:18 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-08-29 10:40:08 +0100
commitb25f5e8efbe723520fa6e6311767c35e4cb71859 (patch)
tree064e0a73a5460539e02482136d4dce750341ae50
parent3d92bce5a8e021c03e509e8ee6ead064e97bfcec (diff)
downloadopenembedded-core-contrib-b25f5e8efbe723520fa6e6311767c35e4cb71859.tar.gz
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libexif: patch for CVE-2017-7544
Signed-off-by: Changqing Li <changqing.li@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--meta/recipes-support/libexif/libexif/CVE-2017-7544.patch40
-rw-r--r--meta/recipes-support/libexif/libexif_0.6.21.bb3
2 files changed, 42 insertions, 1 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
+
diff --git a/meta/recipes-support/libexif/libexif_0.6.21.bb b/meta/recipes-support/libexif/libexif_0.6.21.bb
index cff4caede9..b550a1125c 100644
--- a/meta/recipes-support/libexif/libexif_0.6.21.bb
+++ b/meta/recipes-support/libexif/libexif_0.6.21.bb
@@ -4,7 +4,8 @@ SECTION = "libs"
LICENSE = "LGPLv2.1"
LIC_FILES_CHKSUM = "file://COPYING;md5=243b725d71bb5df4a1e5920b344b86ad"
-SRC_URI = "${SOURCEFORGE_MIRROR}/libexif/libexif-${PV}.tar.bz2"
+SRC_URI = "${SOURCEFORGE_MIRROR}/libexif/libexif-${PV}.tar.bz2 \
+ file://CVE-2017-7544.patch"
SRC_URI[md5sum] = "27339b89850f28c8f1c237f233e05b27"
SRC_URI[sha256sum] = "16cdaeb62eb3e6dfab2435f7d7bccd2f37438d21c5218ec4e58efa9157d4d41a"