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authorAndreas Sturmlechner <asturm@gentoo.org>2018-09-18 11:20:08 +0200
committerAndreas Sturmlechner <asturm@gentoo.org>2018-09-18 11:22:45 +0200
commit96e70c303fbdd5949b7235132de1d4bf4a88a950 (patch)
treef4ce22d690d992ca3fb2a041ac65dae45cd87ad2 /media-libs/libexif
parentmedia-libs/libexif: EAPI-7 bump (diff)
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media-libs/libexif: Fix CVE-2017-7544
Bug: https://bugs.gentoo.org/631850 Package-Manager: Portage-2.3.49, Repoman-2.3.10
Diffstat (limited to 'media-libs/libexif')
-rw-r--r--media-libs/libexif/files/libexif-0.6.21-CVE-2017-7544.patch30
-rw-r--r--media-libs/libexif/libexif-0.6.21-r2.ebuild5
2 files changed, 34 insertions, 1 deletions
diff --git a/media-libs/libexif/files/libexif-0.6.21-CVE-2017-7544.patch b/media-libs/libexif/files/libexif-0.6.21-CVE-2017-7544.patch
new file mode 100644
index 000000000000..534817417d84
--- /dev/null
+++ b/media-libs/libexif/files/libexif-0.6.21-CVE-2017-7544.patch
@@ -0,0 +1,30 @@
+From c39acd1692023b26290778a02a9232c873f9d71a Mon Sep 17 00:00:00 2001
+From: Marcus Meissner <marcus@jet.franken.de>
+Date: Tue, 25 Jul 2017 23:38:56 +0200
+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
+---
+ libexif/exif-data.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/libexif/exif-data.c b/libexif/exif-data.c
+index 67df4db..91f4c33 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;
++ }
+ }
+ }
+
diff --git a/media-libs/libexif/libexif-0.6.21-r2.ebuild b/media-libs/libexif/libexif-0.6.21-r2.ebuild
index 252bbbbc790d..268199851425 100644
--- a/media-libs/libexif/libexif-0.6.21-r2.ebuild
+++ b/media-libs/libexif/libexif-0.6.21-r2.ebuild
@@ -21,7 +21,10 @@ BDEPEND="
doc? ( app-doc/doxygen )
nls? ( sys-devel/gettext )"
-PATCHES=( "${FILESDIR}"/${PN}-0.6.13-pkgconfig.patch )
+PATCHES=(
+ "${FILESDIR}"/${PN}-0.6.13-pkgconfig.patch
+ "${FILESDIR}"/${P}-CVE-2017-7544.patch
+)
src_prepare() {
default