From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49317) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fpftI-00076E-EY for guix-patches@gnu.org; Tue, 14 Aug 2018 16:26:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fpftE-0003QH-OL for guix-patches@gnu.org; Tue, 14 Aug 2018 16:26:08 -0400 Received: from debbugs.gnu.org ([208.118.235.43]:46070) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fpftD-0003OO-Vs for guix-patches@gnu.org; Tue, 14 Aug 2018 16:26:04 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1fpftC-00085w-FD for guix-patches@gnu.org; Tue, 14 Aug 2018 16:26:02 -0400 Subject: [bug#32441] [PATCH] gnu: gdm: Fix CVE-2018-14424. Resent-Message-ID: Received: from eggs.gnu.org ([2001:4830:134:3::10]:49069) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fpfrx-0004wA-IE for guix-patches@gnu.org; Tue, 14 Aug 2018 16:24:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fpfrt-0001uy-Vp for guix-patches@gnu.org; Tue, 14 Aug 2018 16:24:45 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:60305) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fpfrt-0001pS-By for guix-patches@gnu.org; Tue, 14 Aug 2018 16:24:41 -0400 Received: from jasmine.lan (c-76-124-202-137.hsd1.pa.comcast.net [76.124.202.137]) by mail.messagingengine.com (Postfix) with ESMTPA id DE063E405D for ; Tue, 14 Aug 2018 16:24:30 -0400 (EDT) From: Leo Famulari Date: Tue, 14 Aug 2018 16:24:26 -0400 Message-Id: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+kyle=kyleam.com@gnu.org Sender: "Guix-patches" To: 32441@debbugs.gnu.org Please test this! I don't have a graphical GuixSD system to test it with. * gnu/packages/patches/gdm-CVE-2018-14424.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/gnome.scm (gdm): Use it. --- gnu/local.mk | 1 + gnu/packages/gnome.scm | 1 + gnu/packages/patches/gdm-CVE-2018-14424.patch | 172 ++++++++++++++++++ 3 files changed, 174 insertions(+) create mode 100644 gnu/packages/patches/gdm-CVE-2018-14424.patch diff --git a/gnu/local.mk b/gnu/local.mk index 15e7beac6..f433da46e 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -714,6 +714,7 @@ dist_patch_DATA = \ %D%/packages/patches/gd-CVE-2018-5711.patch \ %D%/packages/patches/gd-fix-tests-on-i686.patch \ %D%/packages/patches/gd-freetype-test-failure.patch \ + %D%/packages/patches/gdm-CVE-2018-14424.patch \ %D%/packages/patches/gemma-intel-compat.patch \ %D%/packages/patches/geoclue-config.patch \ %D%/packages/patches/ghc-8.0-fall-back-to-madv_dontneed.patch \ diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm index 4ef96ffa5..fe26bc35c 100644 --- a/gnu/packages/gnome.scm +++ b/gnu/packages/gnome.scm @@ -5305,6 +5305,7 @@ libxml2.") (uri (string-append "mirror://gnome/sources/" name "/" (version-major+minor version) "/" name "-" version ".tar.xz")) + (patches (search-patches "gdm-CVE-2018-14424.patch")) (sha256 (base32 "0mxdal6hh345xk2xqmw5192jgpprkbcv1d4bwmnl4arcc00cpp8p")))) diff --git a/gnu/packages/patches/gdm-CVE-2018-14424.patch b/gnu/packages/patches/gdm-CVE-2018-14424.patch new file mode 100644 index 000000000..88a71f415 --- /dev/null +++ b/gnu/packages/patches/gdm-CVE-2018-14424.patch @@ -0,0 +1,172 @@ +Fix CVE-2018-14424: + +https://gitlab.gnome.org/GNOME/gdm/issues/401 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14424 + +Patch copied from upstream source repository: + +https://gitlab.gnome.org/GNOME/gdm/commit/1ac1697b3b019f50729a6e992065959586e170da + +From 1ac1697b3b019f50729a6e992065959586e170da Mon Sep 17 00:00:00 2001 +From: Chris Coulson +Date: Thu, 19 Jul 2018 18:26:05 +0100 +Subject: [PATCH] display-store: Pass the display object rather than the id in + the removed signal + +By the time GdmDisplayStore emits the "display-removed" signal, the display +is no longer in the store and gdm_display_store_lookup will not work in +signal handlers. + +Change the "display-removed" parameter from the display id to the GdmDisplay +object, so that signal handers can perform any cleanup they need to do + +CVE-2018-14424 + +Closes: https://gitlab.gnome.org/GNOME/gdm/issues/401 +--- + daemon/gdm-display-store.c | 11 +++-------- + daemon/gdm-display-store.h | 2 +- + daemon/gdm-local-display-factory.c | 13 +++---------- + daemon/gdm-manager.c | 19 +++++++++---------- + daemon/gdm-manager.h | 3 ++- + 5 files changed, 18 insertions(+), 30 deletions(-) + +diff --git a/daemon/gdm-display-store.c b/daemon/gdm-display-store.c +index af76f519..fd24334e 100644 +--- a/daemon/gdm-display-store.c ++++ b/daemon/gdm-display-store.c +@@ -76,15 +76,10 @@ stored_display_new (GdmDisplayStore *store, + static void + stored_display_free (StoredDisplay *stored_display) + { +- char *id; +- +- gdm_display_get_id (stored_display->display, &id, NULL); +- + g_signal_emit (G_OBJECT (stored_display->store), + signals[DISPLAY_REMOVED], + 0, +- id); +- g_free (id); ++ stored_display->display); + + g_debug ("GdmDisplayStore: Unreffing display: %p", + stored_display->display); +@@ -281,9 +276,9 @@ gdm_display_store_class_init (GdmDisplayStoreClass *klass) + G_STRUCT_OFFSET (GdmDisplayStoreClass, display_removed), + NULL, + NULL, +- g_cclosure_marshal_VOID__STRING, ++ g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, +- 1, G_TYPE_STRING); ++ 1, G_TYPE_OBJECT); + + g_type_class_add_private (klass, sizeof (GdmDisplayStorePrivate)); + } +diff --git a/daemon/gdm-display-store.h b/daemon/gdm-display-store.h +index 28359933..0aff8ee2 100644 +--- a/daemon/gdm-display-store.h ++++ b/daemon/gdm-display-store.h +@@ -49,7 +49,7 @@ typedef struct + void (* display_added) (GdmDisplayStore *display_store, + const char *id); + void (* display_removed) (GdmDisplayStore *display_store, +- const char *id); ++ GdmDisplay *display); + } GdmDisplayStoreClass; + + typedef enum +diff --git a/daemon/gdm-local-display-factory.c b/daemon/gdm-local-display-factory.c +index 5f1ae89e..39f3e30a 100644 +--- a/daemon/gdm-local-display-factory.c ++++ b/daemon/gdm-local-display-factory.c +@@ -805,18 +805,11 @@ on_display_added (GdmDisplayStore *display_store, + + static void + on_display_removed (GdmDisplayStore *display_store, +- const char *id, ++ GdmDisplay *display, + GdmLocalDisplayFactory *factory) + { +- GdmDisplay *display; +- +- display = gdm_display_store_lookup (display_store, id); +- +- if (display != NULL) { +- g_signal_handlers_disconnect_by_func (display, G_CALLBACK (on_display_status_changed), factory); +- g_object_weak_unref (G_OBJECT (display), (GWeakNotify)on_display_disposed, factory); +- +- } ++ g_signal_handlers_disconnect_by_func (display, G_CALLBACK (on_display_status_changed), factory); ++ g_object_weak_unref (G_OBJECT (display), (GWeakNotify)on_display_disposed, factory); + } + + static gboolean +diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c +index f17bd1a5..f6684a8b 100644 +--- a/daemon/gdm-manager.c ++++ b/daemon/gdm-manager.c +@@ -1541,19 +1541,18 @@ on_display_status_changed (GdmDisplay *display, + + static void + on_display_removed (GdmDisplayStore *display_store, +- const char *id, ++ GdmDisplay *display, + GdmManager *manager) + { +- GdmDisplay *display; ++ char *id; + +- display = gdm_display_store_lookup (display_store, id); +- if (display != NULL) { +- g_dbus_object_manager_server_unexport (manager->priv->object_manager, id); ++ gdm_display_get_id (display, &id, NULL); ++ g_dbus_object_manager_server_unexport (manager->priv->object_manager, id); ++ g_free (id); + +- g_signal_handlers_disconnect_by_func (display, G_CALLBACK (on_display_status_changed), manager); ++ g_signal_handlers_disconnect_by_func (display, G_CALLBACK (on_display_status_changed), manager); + +- g_signal_emit (manager, signals[DISPLAY_REMOVED], 0, id); +- } ++ g_signal_emit (manager, signals[DISPLAY_REMOVED], 0, display); + } + + static void +@@ -2535,9 +2534,9 @@ gdm_manager_class_init (GdmManagerClass *klass) + G_STRUCT_OFFSET (GdmManagerClass, display_removed), + NULL, + NULL, +- g_cclosure_marshal_VOID__STRING, ++ g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, +- 1, G_TYPE_STRING); ++ 1, G_TYPE_OBJECT); + + g_object_class_install_property (object_class, + PROP_XDMCP_ENABLED, +diff --git a/daemon/gdm-manager.h b/daemon/gdm-manager.h +index 41c68a7a..c8fb3f22 100644 +--- a/daemon/gdm-manager.h ++++ b/daemon/gdm-manager.h +@@ -24,6 +24,7 @@ + + #include + ++#include "gdm-display.h" + #include "gdm-manager-glue.h" + + G_BEGIN_DECLS +@@ -50,7 +51,7 @@ typedef struct + void (* display_added) (GdmManager *manager, + const char *id); + void (* display_removed) (GdmManager *manager, +- const char *id); ++ GdmDisplay *display); + } GdmManagerClass; + + typedef enum +-- +2.17.1 + -- 2.18.0