lfam pushed a commit to branch master in repository guix. commit ce16d312c6fc4d23dcf45b73709712b56d6d2174 Author: Leo Famulari <l...@famulari.name> Date: Thu Dec 21 02:55:44 2017 -0500
gnu: libexif: Fix CVE-2017-7544. * gnu/packages/patches/libexif-CVE-2017-7544.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/photo.scm (feh)[source]: Use it. --- gnu/local.mk | 1 + gnu/packages/patches/libexif-CVE-2017-7544.patch | 29 ++++++++++++++++++++++++ gnu/packages/photo.scm | 2 ++ 3 files changed, 32 insertions(+) diff --git a/gnu/local.mk b/gnu/local.mk index 88e3c77..dcb08c1 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -805,6 +805,7 @@ dist_patch_DATA = \ %D%/packages/patches/libevent-2.0-evbuffer-add-use-last-with-datap.patch \ %D%/packages/patches/libevent-2.1-dns-tests.patch \ %D%/packages/patches/libevent-2.1-skip-failing-test.patch \ + %D%/packages/patches/libexif-CVE-2017-7544.patch \ %D%/packages/patches/libgit2-0.25.1-mtime-0.patch \ %D%/packages/patches/libgdata-fix-tests.patch \ %D%/packages/patches/libgdata-glib-duplicate-tests.patch \ diff --git a/gnu/packages/patches/libexif-CVE-2017-7544.patch b/gnu/packages/patches/libexif-CVE-2017-7544.patch new file mode 100644 index 0000000..c4ea373 --- /dev/null +++ b/gnu/packages/patches/libexif-CVE-2017-7544.patch @@ -0,0 +1,29 @@ +Fix CVE-2017-7544: + +https://sourceforge.net/p/libexif/bugs/130/ +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7544 + +Patch copied from upstream bug tracker: + +https://sourceforge.net/p/libexif/bugs/130/#489a + +Index: libexif/exif-data.c +=================================================================== +RCS file: /cvsroot/libexif/libexif/libexif/exif-data.c,v +retrieving revision 1.131 +diff -u -r1.131 exif-data.c +--- a/libexif/exif-data.c 12 Jul 2012 17:28:26 -0000 1.131 ++++ b/libexif/exif-data.c 25 Jul 2017 21:34:06 -0000 +@@ -255,6 +255,12 @@ + 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/gnu/packages/photo.scm b/gnu/packages/photo.scm index 34a2180..40f3a4e 100644 --- a/gnu/packages/photo.scm +++ b/gnu/packages/photo.scm @@ -28,6 +28,7 @@ #:use-module ((guix licenses) #:prefix license:) #:use-module (guix packages) #:use-module (guix utils) + #:use-module (gnu packages) #:use-module (gnu packages algebra) #:use-module (gnu packages autotools) #:use-module (gnu packages base) @@ -89,6 +90,7 @@ cameras (CRW/CR2, NEF, RAF, DNG, and others).") (method url-fetch) (uri (string-append "mirror://sourceforge/libexif/libexif/" version "/libexif-" version ".tar.bz2")) + (patches (search-patches "libexif-CVE-2017-7544.patch")) (sha256 (base32 "06nlsibr3ylfwp28w8f5466l6drgrnydgxrm4jmxzrmk5svaxk8n"))))