mirrors/poky
1
0
Fork 0
mirror of https://git.yoctoproject.org/poky synced 2026-05-05 20:27:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

libexif: patch for CVE-2017-7544

Browse Source 
(From OE-Core rev: b25f5e8efbe723520fa6e6311767c35e4cb71859)

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Changqing Li
2018-08-28 15:22:18 +08:00
committed by Richard Purdie
parent ff9f07b8a4
commit 3f0c92bae0
2 changed files with 42 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
meta/recipes-support/libexif/libexif/CVE-2017-7544.patch Normal file
View File

@@ -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

3
meta/recipes-support/libexif/libexif_0.6.21.bb
View File

@@ -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"