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-rw-r--r--gnu/packages/patches/wpa-supplicant-fix-key-reuse.patch448
1 files changed, 0 insertions, 448 deletions
diff --git a/gnu/packages/patches/wpa-supplicant-fix-key-reuse.patch b/gnu/packages/patches/wpa-supplicant-fix-key-reuse.patch
deleted file mode 100644
index 20d7c37662..0000000000
--- a/gnu/packages/patches/wpa-supplicant-fix-key-reuse.patch
+++ /dev/null
@@ -1,448 +0,0 @@
-Fix CVE-2017-{13078,13079,13080,13081,13087,13088}:
-
-https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13078
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13079
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13080
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13081
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13087
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13088
-
-These two patches are copied from upstream:
-https://w1.fi/security/2017-1/rebased-v2.6-0002-Prevent-reinstallation-of-an-already-in-use-group-ke.patch
-https://w1.fi/security/2017-1/rebased-v2.6-0003-Extend-protection-of-GTK-IGTK-reinstallation-of-WNM-.patch
-
-From 927f891007c402fefd1ff384645b3f07597c3ede Mon Sep 17 00:00:00 2001
-From: Mathy Vanhoef <Mathy.Vanhoef@cs.kuleuven.be>
-Date: Wed, 12 Jul 2017 16:03:24 +0200
-Subject: [PATCH 2/8] Prevent reinstallation of an already in-use group key
-
-Track the current GTK and IGTK that is in use and when receiving a
-(possibly retransmitted) Group Message 1 or WNM-Sleep Mode Response, do
-not install the given key if it is already in use. This prevents an
-attacker from trying to trick the client into resetting or lowering the
-sequence counter associated to the group key.
-
-Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@cs.kuleuven.be>
----
- src/common/wpa_common.h | 11 +++++
- src/rsn_supp/wpa.c | 116 ++++++++++++++++++++++++++++++------------------
- src/rsn_supp/wpa_i.h | 4 ++
- 3 files changed, 87 insertions(+), 44 deletions(-)
-
-diff --git a/src/common/wpa_common.h b/src/common/wpa_common.h
-index af1d0f0..d200285 100644
---- a/src/common/wpa_common.h
-+++ b/src/common/wpa_common.h
-@@ -217,6 +217,17 @@ struct wpa_ptk {
- size_t tk_len;
- };
-
-+struct wpa_gtk {
-+ u8 gtk[WPA_GTK_MAX_LEN];
-+ size_t gtk_len;
-+};
-+
-+#ifdef CONFIG_IEEE80211W
-+struct wpa_igtk {
-+ u8 igtk[WPA_IGTK_MAX_LEN];
-+ size_t igtk_len;
-+};
-+#endif /* CONFIG_IEEE80211W */
-
- /* WPA IE version 1
- * 00-50-f2:1 (OUI:OUI type)
-diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c
-index 3c47879..95bd7be 100644
---- a/src/rsn_supp/wpa.c
-+++ b/src/rsn_supp/wpa.c
-@@ -714,6 +714,15 @@ static int wpa_supplicant_install_gtk(struct wpa_sm *sm,
- const u8 *_gtk = gd->gtk;
- u8 gtk_buf[32];
-
-+ /* Detect possible key reinstallation */
-+ if (sm->gtk.gtk_len == (size_t) gd->gtk_len &&
-+ os_memcmp(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len) == 0) {
-+ wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
-+ "WPA: Not reinstalling already in-use GTK to the driver (keyidx=%d tx=%d len=%d)",
-+ gd->keyidx, gd->tx, gd->gtk_len);
-+ return 0;
-+ }
-+
- wpa_hexdump_key(MSG_DEBUG, "WPA: Group Key", gd->gtk, gd->gtk_len);
- wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
- "WPA: Installing GTK to the driver (keyidx=%d tx=%d len=%d)",
-@@ -748,6 +757,9 @@ static int wpa_supplicant_install_gtk(struct wpa_sm *sm,
- }
- os_memset(gtk_buf, 0, sizeof(gtk_buf));
-
-+ sm->gtk.gtk_len = gd->gtk_len;
-+ os_memcpy(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len);
-+
- return 0;
- }
-
-@@ -854,6 +866,48 @@ static int wpa_supplicant_pairwise_gtk(struct wpa_sm *sm,
- }
-
-
-+#ifdef CONFIG_IEEE80211W
-+static int wpa_supplicant_install_igtk(struct wpa_sm *sm,
-+ const struct wpa_igtk_kde *igtk)
-+{
-+ size_t len = wpa_cipher_key_len(sm->mgmt_group_cipher);
-+ u16 keyidx = WPA_GET_LE16(igtk->keyid);
-+
-+ /* Detect possible key reinstallation */
-+ if (sm->igtk.igtk_len == len &&
-+ os_memcmp(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len) == 0) {
-+ wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
-+ "WPA: Not reinstalling already in-use IGTK to the driver (keyidx=%d)",
-+ keyidx);
-+ return 0;
-+ }
-+
-+ wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
-+ "WPA: IGTK keyid %d pn %02x%02x%02x%02x%02x%02x",
-+ keyidx, MAC2STR(igtk->pn));
-+ wpa_hexdump_key(MSG_DEBUG, "WPA: IGTK", igtk->igtk, len);
-+ if (keyidx > 4095) {
-+ wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
-+ "WPA: Invalid IGTK KeyID %d", keyidx);
-+ return -1;
-+ }
-+ if (wpa_sm_set_key(sm, wpa_cipher_to_alg(sm->mgmt_group_cipher),
-+ broadcast_ether_addr,
-+ keyidx, 0, igtk->pn, sizeof(igtk->pn),
-+ igtk->igtk, len) < 0) {
-+ wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
-+ "WPA: Failed to configure IGTK to the driver");
-+ return -1;
-+ }
-+
-+ sm->igtk.igtk_len = len;
-+ os_memcpy(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len);
-+
-+ return 0;
-+}
-+#endif /* CONFIG_IEEE80211W */
-+
-+
- static int ieee80211w_set_keys(struct wpa_sm *sm,
- struct wpa_eapol_ie_parse *ie)
- {
-@@ -864,30 +918,14 @@ static int ieee80211w_set_keys(struct wpa_sm *sm,
- if (ie->igtk) {
- size_t len;
- const struct wpa_igtk_kde *igtk;
-- u16 keyidx;
-+
- len = wpa_cipher_key_len(sm->mgmt_group_cipher);
- if (ie->igtk_len != WPA_IGTK_KDE_PREFIX_LEN + len)
- return -1;
-+
- igtk = (const struct wpa_igtk_kde *) ie->igtk;
-- keyidx = WPA_GET_LE16(igtk->keyid);
-- wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: IGTK keyid %d "
-- "pn %02x%02x%02x%02x%02x%02x",
-- keyidx, MAC2STR(igtk->pn));
-- wpa_hexdump_key(MSG_DEBUG, "WPA: IGTK",
-- igtk->igtk, len);
-- if (keyidx > 4095) {
-- wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
-- "WPA: Invalid IGTK KeyID %d", keyidx);
-- return -1;
-- }
-- if (wpa_sm_set_key(sm, wpa_cipher_to_alg(sm->mgmt_group_cipher),
-- broadcast_ether_addr,
-- keyidx, 0, igtk->pn, sizeof(igtk->pn),
-- igtk->igtk, len) < 0) {
-- wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
-- "WPA: Failed to configure IGTK to the driver");
-+ if (wpa_supplicant_install_igtk(sm, igtk) < 0)
- return -1;
-- }
- }
-
- return 0;
-@@ -2307,7 +2345,7 @@ void wpa_sm_deinit(struct wpa_sm *sm)
- */
- void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
- {
-- int clear_ptk = 1;
-+ int clear_keys = 1;
-
- if (sm == NULL)
- return;
-@@ -2333,11 +2371,11 @@ void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
- /* Prepare for the next transition */
- wpa_ft_prepare_auth_request(sm, NULL);
-
-- clear_ptk = 0;
-+ clear_keys = 0;
- }
- #endif /* CONFIG_IEEE80211R */
-
-- if (clear_ptk) {
-+ if (clear_keys) {
- /*
- * IEEE 802.11, 8.4.10: Delete PTK SA on (re)association if
- * this is not part of a Fast BSS Transition.
-@@ -2347,6 +2385,10 @@ void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
- os_memset(&sm->ptk, 0, sizeof(sm->ptk));
- sm->tptk_set = 0;
- os_memset(&sm->tptk, 0, sizeof(sm->tptk));
-+ os_memset(&sm->gtk, 0, sizeof(sm->gtk));
-+#ifdef CONFIG_IEEE80211W
-+ os_memset(&sm->igtk, 0, sizeof(sm->igtk));
-+#endif /* CONFIG_IEEE80211W */
- }
-
- #ifdef CONFIG_TDLS
-@@ -2877,6 +2919,10 @@ void wpa_sm_drop_sa(struct wpa_sm *sm)
- os_memset(sm->pmk, 0, sizeof(sm->pmk));
- os_memset(&sm->ptk, 0, sizeof(sm->ptk));
- os_memset(&sm->tptk, 0, sizeof(sm->tptk));
-+ os_memset(&sm->gtk, 0, sizeof(sm->gtk));
-+#ifdef CONFIG_IEEE80211W
-+ os_memset(&sm->igtk, 0, sizeof(sm->igtk));
-+#endif /* CONFIG_IEEE80211W */
- #ifdef CONFIG_IEEE80211R
- os_memset(sm->xxkey, 0, sizeof(sm->xxkey));
- os_memset(sm->pmk_r0, 0, sizeof(sm->pmk_r0));
-@@ -2949,29 +2995,11 @@ int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf)
- os_memset(&gd, 0, sizeof(gd));
- #ifdef CONFIG_IEEE80211W
- } else if (subelem_id == WNM_SLEEP_SUBELEM_IGTK) {
-- struct wpa_igtk_kde igd;
-- u16 keyidx;
--
-- os_memset(&igd, 0, sizeof(igd));
-- keylen = wpa_cipher_key_len(sm->mgmt_group_cipher);
-- os_memcpy(igd.keyid, buf + 2, 2);
-- os_memcpy(igd.pn, buf + 4, 6);
--
-- keyidx = WPA_GET_LE16(igd.keyid);
-- os_memcpy(igd.igtk, buf + 10, keylen);
--
-- wpa_hexdump_key(MSG_DEBUG, "Install IGTK (WNM SLEEP)",
-- igd.igtk, keylen);
-- if (wpa_sm_set_key(sm, wpa_cipher_to_alg(sm->mgmt_group_cipher),
-- broadcast_ether_addr,
-- keyidx, 0, igd.pn, sizeof(igd.pn),
-- igd.igtk, keylen) < 0) {
-- wpa_printf(MSG_DEBUG, "Failed to install the IGTK in "
-- "WNM mode");
-- os_memset(&igd, 0, sizeof(igd));
-+ const struct wpa_igtk_kde *igtk;
-+
-+ igtk = (const struct wpa_igtk_kde *) (buf + 2);
-+ if (wpa_supplicant_install_igtk(sm, igtk) < 0)
- return -1;
-- }
-- os_memset(&igd, 0, sizeof(igd));
- #endif /* CONFIG_IEEE80211W */
- } else {
- wpa_printf(MSG_DEBUG, "Unknown element id");
-diff --git a/src/rsn_supp/wpa_i.h b/src/rsn_supp/wpa_i.h
-index f653ba6..afc9e37 100644
---- a/src/rsn_supp/wpa_i.h
-+++ b/src/rsn_supp/wpa_i.h
-@@ -31,6 +31,10 @@ struct wpa_sm {
- u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
- int rx_replay_counter_set;
- u8 request_counter[WPA_REPLAY_COUNTER_LEN];
-+ struct wpa_gtk gtk;
-+#ifdef CONFIG_IEEE80211W
-+ struct wpa_igtk igtk;
-+#endif /* CONFIG_IEEE80211W */
-
- struct eapol_sm *eapol; /* EAPOL state machine from upper level code */
-
---
-2.7.4
-
-From 8280294e74846ea342389a0cd17215050fa5afe8 Mon Sep 17 00:00:00 2001
-From: Jouni Malinen <j@w1.fi>
-Date: Sun, 1 Oct 2017 12:12:24 +0300
-Subject: [PATCH 3/8] Extend protection of GTK/IGTK reinstallation of WNM-Sleep
- Mode cases
-
-This extends the protection to track last configured GTK/IGTK value
-separately from EAPOL-Key frames and WNM-Sleep Mode frames to cover a
-corner case where these two different mechanisms may get used when the
-GTK/IGTK has changed and tracking a single value is not sufficient to
-detect a possible key reconfiguration.
-
-Signed-off-by: Jouni Malinen <j@w1.fi>
----
- src/rsn_supp/wpa.c | 53 +++++++++++++++++++++++++++++++++++++---------------
- src/rsn_supp/wpa_i.h | 2 ++
- 2 files changed, 40 insertions(+), 15 deletions(-)
-
-diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c
-index 95bd7be..7a2c68d 100644
---- a/src/rsn_supp/wpa.c
-+++ b/src/rsn_supp/wpa.c
-@@ -709,14 +709,17 @@ struct wpa_gtk_data {
-
- static int wpa_supplicant_install_gtk(struct wpa_sm *sm,
- const struct wpa_gtk_data *gd,
-- const u8 *key_rsc)
-+ const u8 *key_rsc, int wnm_sleep)
- {
- const u8 *_gtk = gd->gtk;
- u8 gtk_buf[32];
-
- /* Detect possible key reinstallation */
-- if (sm->gtk.gtk_len == (size_t) gd->gtk_len &&
-- os_memcmp(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len) == 0) {
-+ if ((sm->gtk.gtk_len == (size_t) gd->gtk_len &&
-+ os_memcmp(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len) == 0) ||
-+ (sm->gtk_wnm_sleep.gtk_len == (size_t) gd->gtk_len &&
-+ os_memcmp(sm->gtk_wnm_sleep.gtk, gd->gtk,
-+ sm->gtk_wnm_sleep.gtk_len) == 0)) {
- wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
- "WPA: Not reinstalling already in-use GTK to the driver (keyidx=%d tx=%d len=%d)",
- gd->keyidx, gd->tx, gd->gtk_len);
-@@ -757,8 +760,14 @@ static int wpa_supplicant_install_gtk(struct wpa_sm *sm,
- }
- os_memset(gtk_buf, 0, sizeof(gtk_buf));
-
-- sm->gtk.gtk_len = gd->gtk_len;
-- os_memcpy(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len);
-+ if (wnm_sleep) {
-+ sm->gtk_wnm_sleep.gtk_len = gd->gtk_len;
-+ os_memcpy(sm->gtk_wnm_sleep.gtk, gd->gtk,
-+ sm->gtk_wnm_sleep.gtk_len);
-+ } else {
-+ sm->gtk.gtk_len = gd->gtk_len;
-+ os_memcpy(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len);
-+ }
-
- return 0;
- }
-@@ -852,7 +861,7 @@ static int wpa_supplicant_pairwise_gtk(struct wpa_sm *sm,
- (wpa_supplicant_check_group_cipher(sm, sm->group_cipher,
- gtk_len, gtk_len,
- &gd.key_rsc_len, &gd.alg) ||
-- wpa_supplicant_install_gtk(sm, &gd, key_rsc))) {
-+ wpa_supplicant_install_gtk(sm, &gd, key_rsc, 0))) {
- wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
- "RSN: Failed to install GTK");
- os_memset(&gd, 0, sizeof(gd));
-@@ -868,14 +877,18 @@ static int wpa_supplicant_pairwise_gtk(struct wpa_sm *sm,
-
- #ifdef CONFIG_IEEE80211W
- static int wpa_supplicant_install_igtk(struct wpa_sm *sm,
-- const struct wpa_igtk_kde *igtk)
-+ const struct wpa_igtk_kde *igtk,
-+ int wnm_sleep)
- {
- size_t len = wpa_cipher_key_len(sm->mgmt_group_cipher);
- u16 keyidx = WPA_GET_LE16(igtk->keyid);
-
- /* Detect possible key reinstallation */
-- if (sm->igtk.igtk_len == len &&
-- os_memcmp(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len) == 0) {
-+ if ((sm->igtk.igtk_len == len &&
-+ os_memcmp(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len) == 0) ||
-+ (sm->igtk_wnm_sleep.igtk_len == len &&
-+ os_memcmp(sm->igtk_wnm_sleep.igtk, igtk->igtk,
-+ sm->igtk_wnm_sleep.igtk_len) == 0)) {
- wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
- "WPA: Not reinstalling already in-use IGTK to the driver (keyidx=%d)",
- keyidx);
-@@ -900,8 +913,14 @@ static int wpa_supplicant_install_igtk(struct wpa_sm *sm,
- return -1;
- }
-
-- sm->igtk.igtk_len = len;
-- os_memcpy(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len);
-+ if (wnm_sleep) {
-+ sm->igtk_wnm_sleep.igtk_len = len;
-+ os_memcpy(sm->igtk_wnm_sleep.igtk, igtk->igtk,
-+ sm->igtk_wnm_sleep.igtk_len);
-+ } else {
-+ sm->igtk.igtk_len = len;
-+ os_memcpy(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len);
-+ }
-
- return 0;
- }
-@@ -924,7 +943,7 @@ static int ieee80211w_set_keys(struct wpa_sm *sm,
- return -1;
-
- igtk = (const struct wpa_igtk_kde *) ie->igtk;
-- if (wpa_supplicant_install_igtk(sm, igtk) < 0)
-+ if (wpa_supplicant_install_igtk(sm, igtk, 0) < 0)
- return -1;
- }
-
-@@ -1574,7 +1593,7 @@ static void wpa_supplicant_process_1_of_2(struct wpa_sm *sm,
- if (wpa_supplicant_rsc_relaxation(sm, key->key_rsc))
- key_rsc = null_rsc;
-
-- if (wpa_supplicant_install_gtk(sm, &gd, key_rsc) ||
-+ if (wpa_supplicant_install_gtk(sm, &gd, key_rsc, 0) ||
- wpa_supplicant_send_2_of_2(sm, key, ver, key_info) < 0)
- goto failed;
- os_memset(&gd, 0, sizeof(gd));
-@@ -2386,8 +2405,10 @@ void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
- sm->tptk_set = 0;
- os_memset(&sm->tptk, 0, sizeof(sm->tptk));
- os_memset(&sm->gtk, 0, sizeof(sm->gtk));
-+ os_memset(&sm->gtk_wnm_sleep, 0, sizeof(sm->gtk_wnm_sleep));
- #ifdef CONFIG_IEEE80211W
- os_memset(&sm->igtk, 0, sizeof(sm->igtk));
-+ os_memset(&sm->igtk_wnm_sleep, 0, sizeof(sm->igtk_wnm_sleep));
- #endif /* CONFIG_IEEE80211W */
- }
-
-@@ -2920,8 +2941,10 @@ void wpa_sm_drop_sa(struct wpa_sm *sm)
- os_memset(&sm->ptk, 0, sizeof(sm->ptk));
- os_memset(&sm->tptk, 0, sizeof(sm->tptk));
- os_memset(&sm->gtk, 0, sizeof(sm->gtk));
-+ os_memset(&sm->gtk_wnm_sleep, 0, sizeof(sm->gtk_wnm_sleep));
- #ifdef CONFIG_IEEE80211W
- os_memset(&sm->igtk, 0, sizeof(sm->igtk));
-+ os_memset(&sm->igtk_wnm_sleep, 0, sizeof(sm->igtk_wnm_sleep));
- #endif /* CONFIG_IEEE80211W */
- #ifdef CONFIG_IEEE80211R
- os_memset(sm->xxkey, 0, sizeof(sm->xxkey));
-@@ -2986,7 +3009,7 @@ int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf)
-
- wpa_hexdump_key(MSG_DEBUG, "Install GTK (WNM SLEEP)",
- gd.gtk, gd.gtk_len);
-- if (wpa_supplicant_install_gtk(sm, &gd, key_rsc)) {
-+ if (wpa_supplicant_install_gtk(sm, &gd, key_rsc, 1)) {
- os_memset(&gd, 0, sizeof(gd));
- wpa_printf(MSG_DEBUG, "Failed to install the GTK in "
- "WNM mode");
-@@ -2998,7 +3021,7 @@ int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf)
- const struct wpa_igtk_kde *igtk;
-
- igtk = (const struct wpa_igtk_kde *) (buf + 2);
-- if (wpa_supplicant_install_igtk(sm, igtk) < 0)
-+ if (wpa_supplicant_install_igtk(sm, igtk, 1) < 0)
- return -1;
- #endif /* CONFIG_IEEE80211W */
- } else {
-diff --git a/src/rsn_supp/wpa_i.h b/src/rsn_supp/wpa_i.h
-index afc9e37..9a54631 100644
---- a/src/rsn_supp/wpa_i.h
-+++ b/src/rsn_supp/wpa_i.h
-@@ -32,8 +32,10 @@ struct wpa_sm {
- int rx_replay_counter_set;
- u8 request_counter[WPA_REPLAY_COUNTER_LEN];
- struct wpa_gtk gtk;
-+ struct wpa_gtk gtk_wnm_sleep;
- #ifdef CONFIG_IEEE80211W
- struct wpa_igtk igtk;
-+ struct wpa_igtk igtk_wnm_sleep;
- #endif /* CONFIG_IEEE80211W */
-
- struct eapol_sm *eapol; /* EAPOL state machine from upper level code */
---
-2.7.4
-
generated by cgit v1.2.3 (git 2.46.2) at 2024-11-18 10:54:57 +0000