From b25f5e8efbe723520fa6e6311767c35e4cb71859 Mon Sep 17 00:00:00 2001 From: Changqing Li Date: Tue, 28 Aug 2018 15:22:18 +0800 Subject: libexif: patch for CVE-2017-7544 Signed-off-by: Changqing Li Signed-off-by: Richard Purdie --- .../libexif/libexif/CVE-2017-7544.patch | 40 ++++++++++++++++++++++ meta/recipes-support/libexif/libexif_0.6.21.bb | 3 +- 2 files changed, 42 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-support/libexif/libexif/CVE-2017-7544.patch 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 +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 +--- + 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" -- cgit 1.2.3-korg