diff options
Diffstat (limited to 'gnu/packages/patches/bluez-CVE-2020-0556.patch')
| -rw-r--r-- | gnu/packages/patches/bluez-CVE-2020-0556.patch | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/gnu/packages/patches/bluez-CVE-2020-0556.patch b/gnu/packages/patches/bluez-CVE-2020-0556.patch deleted file mode 100644 index 7c34459a3a..0000000000 --- a/gnu/packages/patches/bluez-CVE-2020-0556.patch +++ /dev/null @@ -1,180 +0,0 @@ -Fix CVE-2020-0556: - -https://lore.kernel.org/linux-bluetooth/20200310023516.209146-1-alainm@chromium.org/ -https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html -http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0556 - -Patches copied from upstream source repository: - -https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=3cccdbab2324086588df4ccf5f892fb3ce1f1787 -https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=8cdbd3b09f29da29374e2f83369df24228da0ad1 - -From 3cccdbab2324086588df4ccf5f892fb3ce1f1787 Mon Sep 17 00:00:00 2001 -From: Alain Michaud <alainm@chromium.org> -Date: Tue, 10 Mar 2020 02:35:18 +0000 -Subject: [PATCH] HID accepts bonded device connections only. - -This change adds a configuration for platforms to choose a more secure -posture for the HID profile. While some older mice are known to not -support pairing or encryption, some platform may choose a more secure -posture by requiring the device to be bonded and require the -connection to be encrypted when bonding is required. - -Reference: -https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html ---- - profiles/input/device.c | 23 ++++++++++++++++++++++- - profiles/input/device.h | 1 + - profiles/input/input.conf | 8 ++++++++ - profiles/input/manager.c | 13 ++++++++++++- - 4 files changed, 43 insertions(+), 2 deletions(-) - -diff --git a/profiles/input/device.c b/profiles/input/device.c -index 2cb3811c8..d89da2d7c 100644 ---- a/profiles/input/device.c -+++ b/profiles/input/device.c -@@ -92,6 +92,7 @@ struct input_device { - - static int idle_timeout = 0; - static bool uhid_enabled = false; -+static bool classic_bonded_only = false; - - void input_set_idle_timeout(int timeout) - { -@@ -103,6 +104,11 @@ void input_enable_userspace_hid(bool state) - uhid_enabled = state; - } - -+void input_set_classic_bonded_only(bool state) -+{ -+ classic_bonded_only = state; -+} -+ - static void input_device_enter_reconnect_mode(struct input_device *idev); - static int connection_disconnect(struct input_device *idev, uint32_t flags); - -@@ -970,8 +976,18 @@ static int hidp_add_connection(struct input_device *idev) - if (device_name_known(idev->device)) - device_get_name(idev->device, req->name, sizeof(req->name)); - -+ /* Make sure the device is bonded if required */ -+ if (classic_bonded_only && !device_is_bonded(idev->device, -+ btd_device_get_bdaddr_type(idev->device))) { -+ error("Rejected connection from !bonded device %s", dst_addr); -+ goto cleanup; -+ } -+ - /* Encryption is mandatory for keyboards */ -- if (req->subclass & 0x40) { -+ /* Some platforms may choose to require encryption for all devices */ -+ /* Note that this only matters for pre 2.1 devices as otherwise the */ -+ /* device is encrypted by default by the lower layers */ -+ if (classic_bonded_only || req->subclass & 0x40) { - if (!bt_io_set(idev->intr_io, &gerr, - BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM, - BT_IO_OPT_INVALID)) { -@@ -1203,6 +1219,11 @@ static void input_device_enter_reconnect_mode(struct input_device *idev) - DBG("path=%s reconnect_mode=%s", idev->path, - reconnect_mode_to_string(idev->reconnect_mode)); - -+ /* Make sure the device is bonded if required */ -+ if (classic_bonded_only && !device_is_bonded(idev->device, -+ btd_device_get_bdaddr_type(idev->device))) -+ return; -+ - /* Only attempt an auto-reconnect when the device is required to - * accept reconnections from the host. - */ -diff --git a/profiles/input/device.h b/profiles/input/device.h -index 51a9aee18..3044db673 100644 ---- a/profiles/input/device.h -+++ b/profiles/input/device.h -@@ -29,6 +29,7 @@ struct input_conn; - - void input_set_idle_timeout(int timeout); - void input_enable_userspace_hid(bool state); -+void input_set_classic_bonded_only(bool state); - - int input_device_register(struct btd_service *service); - void input_device_unregister(struct btd_service *service); -diff --git a/profiles/input/input.conf b/profiles/input/input.conf -index 3e1d65aae..166aff4a4 100644 ---- a/profiles/input/input.conf -+++ b/profiles/input/input.conf -@@ -11,3 +11,11 @@ - # Enable HID protocol handling in userspace input profile - # Defaults to false (HIDP handled in HIDP kernel module) - #UserspaceHID=true -+ -+# Limit HID connections to bonded devices -+# The HID Profile does not specify that devices must be bonded, however some -+# platforms may want to make sure that input connections only come from bonded -+# device connections. Several older mice have been known for not supporting -+# pairing/encryption. -+# Defaults to false to maximize device compatibility. -+#ClassicBondedOnly=true -diff --git a/profiles/input/manager.c b/profiles/input/manager.c -index 1d31b0652..5cd27b839 100644 ---- a/profiles/input/manager.c -+++ b/profiles/input/manager.c -@@ -96,7 +96,7 @@ static int input_init(void) - config = load_config_file(CONFIGDIR "/input.conf"); - if (config) { - int idle_timeout; -- gboolean uhid_enabled; -+ gboolean uhid_enabled, classic_bonded_only; - - idle_timeout = g_key_file_get_integer(config, "General", - "IdleTimeout", &err); -@@ -114,6 +114,17 @@ static int input_init(void) - input_enable_userspace_hid(uhid_enabled); - } else - g_clear_error(&err); -+ -+ classic_bonded_only = g_key_file_get_boolean(config, "General", -+ "ClassicBondedOnly", &err); -+ -+ if (!err) { -+ DBG("input.conf: ClassicBondedOnly=%s", -+ classic_bonded_only ? "true" : "false"); -+ input_set_classic_bonded_only(classic_bonded_only); -+ } else -+ g_clear_error(&err); -+ - } - - btd_profile_register(&input_profile); --- -2.25.1 - -From 8cdbd3b09f29da29374e2f83369df24228da0ad1 Mon Sep 17 00:00:00 2001 -From: Alain Michaud <alainm@chromium.org> -Date: Tue, 10 Mar 2020 02:35:16 +0000 -Subject: [PATCH] HOGP must only accept data from bonded devices. - -HOGP 1.0 Section 6.1 establishes that the HOGP must require bonding. - -Reference: -https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.htm ---- - profiles/input/hog.c | 4 ++++ - 1 file changed, 4 insertions(+) - -diff --git a/profiles/input/hog.c b/profiles/input/hog.c -index 83c017dcb..dfac68921 100644 ---- a/profiles/input/hog.c -+++ b/profiles/input/hog.c -@@ -186,6 +186,10 @@ static int hog_accept(struct btd_service *service) - return -EINVAL; - } - -+ /* HOGP 1.0 Section 6.1 requires bonding */ -+ if (!device_is_bonded(device, btd_device_get_bdaddr_type(device))) -+ return -ECONNREFUSED; -+ - /* TODO: Replace GAttrib with bt_gatt_client */ - bt_hog_attach(dev->hog, attrib); - --- -2.25.1 - |