mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-11-16 03:45:24 -05:00
ce16d312c6
* 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.
29 lines
955 B
Diff
29 lines
955 B
Diff
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;
|
|
+ }
|
|
}
|
|
}
|
|
|