[oe-commits] [openembedded-core] 13/29: glib-2.0: Backport the CVE-2019-12450 fix

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commit 9c4d7a92f4f6e4070102b12de44d9bfe6f944735
Author: Adrian Bunk <bunk at stusta.de>
AuthorDate: Fri Jan 17 19:14:29 2020 +0200

    glib-2.0: Backport the CVE-2019-12450 fix
    
    Signed-off-by: Adrian Bunk <bunk at stusta.de>
---
 ...-gfile-Limit-access-to-files-when-copying.patch | 57 ++++++++++++++++++++++
 meta/recipes-core/glib-2.0/glib-2.0_2.58.3.bb      |  1 +
 2 files changed, 58 insertions(+)

diff --git a/meta/recipes-core/glib-2.0/glib-2.0/0001-gfile-Limit-access-to-files-when-copying.patch b/meta/recipes-core/glib-2.0/glib-2.0/0001-gfile-Limit-access-to-files-when-copying.patch
new file mode 100644
index 0000000..8fc03d1
--- /dev/null
+++ b/meta/recipes-core/glib-2.0/glib-2.0/0001-gfile-Limit-access-to-files-when-copying.patch
@@ -0,0 +1,57 @@
+From e6b769819d63d2b24b251dbc9f902fe6fd614da3 Mon Sep 17 00:00:00 2001
+From: Ondrej Holy <oholy at redhat.com>
+Date: Thu, 23 May 2019 10:41:53 +0200
+Subject: gfile: Limit access to files when copying
+
+file_copy_fallback creates new files with default permissions and
+set the correct permissions after the operation is finished. This
+might cause that the files can be accessible by more users during
+the operation than expected. Use G_FILE_CREATE_PRIVATE for the new
+files to limit access to those files.
+
+CVE: CVE-2019-12450
+Upstream-Status: Backport
+Signed-off-by: Adrian Bunk <bunk at stusta.de>
+---
+ gio/gfile.c | 11 ++++++-----
+ 1 file changed, 6 insertions(+), 5 deletions(-)
+
+diff --git a/gio/gfile.c b/gio/gfile.c
+index 1cc69166a..13b435480 100644
+--- a/gio/gfile.c
++++ b/gio/gfile.c
+@@ -3284,12 +3284,12 @@ file_copy_fallback (GFile                  *source,
+         out = (GOutputStream*)_g_local_file_output_stream_replace (_g_local_file_get_filename (G_LOCAL_FILE (destination)),
+                                                                    FALSE, NULL,
+                                                                    flags & G_FILE_COPY_BACKUP,
+-                                                                   G_FILE_CREATE_REPLACE_DESTINATION,
+-                                                                   info,
++                                                                   G_FILE_CREATE_REPLACE_DESTINATION |
++                                                                   G_FILE_CREATE_PRIVATE, info,
+                                                                    cancellable, error);
+       else
+         out = (GOutputStream*)_g_local_file_output_stream_create (_g_local_file_get_filename (G_LOCAL_FILE (destination)),
+-                                                                  FALSE, 0, info,
++                                                                  FALSE, G_FILE_CREATE_PRIVATE, info,
+                                                                   cancellable, error);
+     }
+   else if (flags & G_FILE_COPY_OVERWRITE)
+@@ -3297,12 +3297,13 @@ file_copy_fallback (GFile                  *source,
+       out = (GOutputStream *)g_file_replace (destination,
+                                              NULL,
+                                              flags & G_FILE_COPY_BACKUP,
+-                                             G_FILE_CREATE_REPLACE_DESTINATION,
++                                             G_FILE_CREATE_REPLACE_DESTINATION |
++                                             G_FILE_CREATE_PRIVATE,
+                                              cancellable, error);
+     }
+   else
+     {
+-      out = (GOutputStream *)g_file_create (destination, 0, cancellable, error);
++      out = (GOutputStream *)g_file_create (destination, G_FILE_CREATE_PRIVATE, cancellable, error);
+     }
+ 
+   if (!out)
+-- 
+2.20.1
+
diff --git a/meta/recipes-core/glib-2.0/glib-2.0_2.58.3.bb b/meta/recipes-core/glib-2.0/glib-2.0_2.58.3.bb
index 2286d03..f151a33 100644
--- a/meta/recipes-core/glib-2.0/glib-2.0_2.58.3.bb
+++ b/meta/recipes-core/glib-2.0/glib-2.0_2.58.3.bb
@@ -19,6 +19,7 @@ SRC_URI = "${GNOME_MIRROR}/glib/${SHRT_VER}/glib-${PV}.tar.xz \
            file://0001-meson-do-a-build-time-check-for-strlcpy-before-attem.patch \
            file://glib-meson.cross \
            file://CVE-2019-13012.patch \
+           file://0001-gfile-Limit-access-to-files-when-copying.patch \
            "
 
 SRC_URI_append_class-native = " file://relocate-modules.patch"

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