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Update SA-17:07 with patches for 10.x.

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This commit is contained in:
Gordon Tetlow 2017-10-19 03:28:00 +00:00
parent 25e087f55f
commit 5313884e1f
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=51136
3 changed files with 653 additions and 17 deletions
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46
share/security/advisories/FreeBSD-SA-17:07.wpa.asc
View file

@ -15,6 +15,9 @@ Affects: All supported versions of FreeBSD.
Corrected: 2017-10-17 17:30:18 UTC (stable/11, 11.1-STABLE)
2017-10-17 17:57:18 UTC (releng/11.1, 11.1-RELEASE-p2)
2017-10-17 17:56:03 UTC (releng/11.0, 11.0-RELEASE-p13)
2017-10-19 03:18:22 UTC (stable/10, 10.4-STABLE)
2017-10-19 03:20:17 UTC (releng/10.4, 10.4-RELEASE-p1)
2017-10-19 03:19:42 UTC (releng/10.3, 10.3-RELEASE-p22)
CVE Name: CVE-2017-13077, CVE-2017-13078, CVE-2017-13079,
CVE-2017-13080, CVE-2017-13081, CVE-2017-13082,
CVE-2017-13086, CVE-2017-13087, CVE-2017-13088
@ -23,6 +26,11 @@ For general information regarding FreeBSD Security Advisories,
including descriptions of the fields above, security branches, and the
following sections, please visit <URL:https://security.FreeBSD.org/>.
0. Revision history
v1.0 2017-10-17 Initial release.
v1.1 2017-10-19 Add patches for 10.x releases.
I. Background
Wi-Fi Protected Access II (WPA2) is a security protocol developed by the
@ -66,10 +74,6 @@ and restart hostapd.
V. Solution
Patches are currently available for stable/11, releng/11.0, and
releng/11.1. Patches for stable/10, releng/10.3, and releng/10.4 are
still being evaluated.
Perform one of the following:
1) Upgrade your vulnerable system to a supported FreeBSD stable or
@ -100,6 +104,11 @@ detached PGP signature using your PGP utility.
# fetch https://security.FreeBSD.org/patches/SA-17:07/wpa-11.patch.asc
# gpg --verify wpa-11.patch.asc
[FreeBSD 10.3-RELEASE, 10.4-RELEASE, and 10-STABLE]
# fetch https://security.FreeBSD.org/patches/SA-17:07/wpa-10.patch
# fetch https://security.FreeBSD.org/patches/SA-17:07/wpa-10.patch.asc
# gpg --verify wpa-10.patch.asc
b) Apply the patch. Execute the following commands as root:
# cd /usr/src
@ -120,6 +129,9 @@ Branch/path Revision
stable/11/ r324697
releng/11.0/ r324698
releng/11.1/ r324699
stable/10/ r324739
releng/10.3/ r324740
releng/10.4/ r324741
- -------------------------------------------------------------------------
To see which files were modified by a particular revision, run the
@ -141,19 +153,19 @@ The latest revision of this advisory is available at
<URL:https://security.FreeBSD.org/advisories/FreeBSD-SA-17:07.wpa.asc>
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606
share/security/patches/SA-17:07/wpa-10.patch Normal file
View file

@ -0,0 +1,606 @@
--- contrib/wpa/src/ap/wpa_auth.h.orig
+++ contrib/wpa/src/ap/wpa_auth.h
@@ -247,6 +247,7 @@
int wpa_auth_get_pairwise(struct wpa_state_machine *sm);
int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm);
int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm);
+int wpa_auth_sta_ft_tk_already_set(struct wpa_state_machine *sm);
int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
struct rsn_pmksa_cache_entry *entry);
struct rsn_pmksa_cache_entry *
--- contrib/wpa/src/ap/wpa_auth.c.orig
+++ contrib/wpa/src/ap/wpa_auth.c
@@ -1623,6 +1623,21 @@
}
+static int wpa_auth_sm_ptk_update(struct wpa_state_machine *sm)
+{
+ if (random_get_bytes(sm->ANonce, WPA_NONCE_LEN)) {
+ wpa_printf(MSG_ERROR,
+ "WPA: Failed to get random data for ANonce");
+ sm->Disconnect = TRUE;
+ return -1;
+ }
+ wpa_hexdump(MSG_DEBUG, "WPA: Assign new ANonce", sm->ANonce,
+ WPA_NONCE_LEN);
+ sm->TimeoutCtr = 0;
+ return 0;
+}
+
+
SM_STATE(WPA_PTK, INITPMK)
{
u8 msk[2 * PMK_LEN];
@@ -2111,9 +2126,12 @@
SM_ENTER(WPA_PTK, AUTHENTICATION);
else if (sm->ReAuthenticationRequest)
SM_ENTER(WPA_PTK, AUTHENTICATION2);
- else if (sm->PTKRequest)
- SM_ENTER(WPA_PTK, PTKSTART);
- else switch (sm->wpa_ptk_state) {
+ else if (sm->PTKRequest) {
+ if (wpa_auth_sm_ptk_update(sm) < 0)
+ SM_ENTER(WPA_PTK, DISCONNECTED);
+ else
+ SM_ENTER(WPA_PTK, PTKSTART);
+ } else switch (sm->wpa_ptk_state) {
case WPA_PTK_INITIALIZE:
break;
case WPA_PTK_DISCONNECT:
@@ -2866,6 +2884,14 @@
}
+int wpa_auth_sta_ft_tk_already_set(struct wpa_state_machine *sm)
+{
+ if (!sm || !wpa_key_mgmt_ft(sm->wpa_key_mgmt))
+ return 0;
+ return sm->tk_already_set;
+}
+
+
int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
struct rsn_pmksa_cache_entry *entry)
{
--- contrib/wpa/src/ap/wpa_auth_ft.c.orig
+++ contrib/wpa/src/ap/wpa_auth_ft.c
@@ -762,6 +762,14 @@
return;
}
+ if (sm->tk_already_set) {
+ /* Must avoid TK reconfiguration to prevent clearing of TX/RX
+ * PN in the driver */
+ wpa_printf(MSG_DEBUG,
+ "FT: Do not re-install same PTK to the driver");
+ return;
+ }
+
/* FIX: add STA entry to kernel/driver here? The set_key will fail
* most likely without this.. At the moment, STA entry is added only
* after association has been completed. This function will be called
@@ -774,6 +782,7 @@
/* FIX: MLME-SetProtection.Request(TA, Tx_Rx) */
sm->pairwise_set = TRUE;
+ sm->tk_already_set = TRUE;
}
@@ -887,6 +896,7 @@
wpa_hexdump(MSG_DEBUG, "FT: PTKName", ptk_name, WPA_PMK_NAME_LEN);
sm->pairwise = pairwise;
+ sm->tk_already_set = FALSE;
wpa_ft_install_ptk(sm);
buflen = 2 + sizeof(struct rsn_mdie) + 2 + sizeof(struct rsn_ftie) +
--- contrib/wpa/src/ap/wpa_auth_i.h.orig
+++ contrib/wpa/src/ap/wpa_auth_i.h
@@ -61,6 +61,7 @@
struct wpa_ptk PTK;
Boolean PTK_valid;
Boolean pairwise_set;
+ Boolean tk_already_set;
int keycount;
Boolean Pair;
struct wpa_key_replay_counter {
--- contrib/wpa/src/common/wpa_common.h.orig
+++ contrib/wpa/src/common/wpa_common.h
@@ -187,6 +187,17 @@
} u;
} STRUCT_PACKED;
+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)
--- contrib/wpa/src/rsn_supp/tdls.c.orig
+++ contrib/wpa/src/rsn_supp/tdls.c
@@ -103,6 +103,7 @@
u8 tk[16]; /* TPK-TK; assuming only CCMP will be used */
} tpk;
int tpk_set;
+ int tk_set; /* TPK-TK configured to the driver */
int tpk_success;
struct tpk_timer {
@@ -160,6 +161,20 @@
u8 rsc[6];
enum wpa_alg alg;
+ if (peer->tk_set) {
+ /*
+ * This same TPK-TK has already been configured to the driver
+ * and this new configuration attempt (likely due to an
+ * unexpected retransmitted frame) would result in clearing
+ * the TX/RX sequence number which can break security, so must
+ * not allow that to happen.
+ */
+ wpa_printf(MSG_INFO, "TDLS: TPK-TK for the peer " MACSTR
+ " has already been configured to the driver - do not reconfigure",
+ MAC2STR(peer->addr));
+ return -1;
+ }
+
os_memset(rsc, 0, 6);
switch (peer->cipher) {
@@ -177,12 +192,15 @@
return -1;
}
+ wpa_printf(MSG_DEBUG, "TDLS: Configure pairwise key for peer " MACSTR,
+ MAC2STR(peer->addr));
if (wpa_sm_set_key(sm, alg, peer->addr, -1, 1,
rsc, sizeof(rsc), peer->tpk.tk, key_len) < 0) {
wpa_printf(MSG_WARNING, "TDLS: Failed to set TPK to the "
"driver");
return -1;
}
+ peer->tk_set = 1;
return 0;
}
@@ -613,7 +631,7 @@
peer->sm_tmr.buf = NULL;
peer->rsnie_i_len = peer->rsnie_p_len = 0;
peer->cipher = 0;
- peer->tpk_set = peer->tpk_success = 0;
+ peer->tk_set = peer->tpk_set = peer->tpk_success = 0;
os_memset(&peer->tpk, 0, sizeof(peer->tpk));
os_memset(peer->inonce, 0, WPA_NONCE_LEN);
os_memset(peer->rnonce, 0, WPA_NONCE_LEN);
@@ -1002,6 +1020,7 @@
wpa_tdls_peer_free(sm, peer);
return -1;
}
+ peer->tk_set = 0; /* A new nonce results in a new TK */
wpa_hexdump(MSG_DEBUG, "TDLS: Initiator Nonce for TPK handshake",
peer->inonce, WPA_NONCE_LEN);
os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
@@ -1583,6 +1602,7 @@
wpa_tdls_peer_free(sm, peer);
goto error;
}
+ peer->tk_set = 0; /* A new nonce results in a new TK */
#if 0
/* get version info from RSNIE received from Peer */
@@ -1710,6 +1730,14 @@
"TPK M2: " MACSTR, MAC2STR(src_addr));
return -1;
}
+
+ if (peer->tpk_success) {
+ wpa_printf(MSG_INFO, "TDLS: Ignore incoming TPK M2 retry, from "
+ MACSTR " as TPK M3 was already sent",
+ MAC2STR(src_addr));
+ return 0;
+ }
+
wpa_tdls_tpk_retry_timeout_cancel(sm, peer, WLAN_TDLS_SETUP_REQUEST);
if (len < 3 + 2 + 1)
--- contrib/wpa/src/rsn_supp/wpa.c.orig
+++ contrib/wpa/src/rsn_supp/wpa.c
@@ -517,6 +517,12 @@
const u8 *key_rsc;
u8 null_rsc[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+ if (sm->ptk_installed) {
+ wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+ "WPA: Do not re-install same PTK to the driver");
+ return 0;
+ }
+
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
"WPA: Installing PTK to the driver");
@@ -553,6 +559,8 @@
return -1;
}
+ sm->ptk_installed = 1;
+
if (sm->wpa_ptk_rekey) {
eloop_cancel_timeout(wpa_sm_rekey_ptk, sm, NULL);
eloop_register_timeout(sm->wpa_ptk_rekey, 0, wpa_sm_rekey_ptk,
@@ -601,11 +609,23 @@
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) ||
+ (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);
+ 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)",
@@ -637,6 +657,15 @@
return -1;
}
+ 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;
}
@@ -694,7 +723,7 @@
if (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->key_rsc)) {
+ wpa_supplicant_install_gtk(sm, &gd, key->key_rsc, 0)) {
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
"RSN: Failed to install GTK");
return -1;
@@ -709,6 +738,57 @@
}
+#ifdef CONFIG_IEEE80211W
+static int wpa_supplicant_install_igtk(struct wpa_sm *sm,
+ const struct wpa_igtk_kde *igtk,
+ int wnm_sleep)
+{
+ size_t len = WPA_IGTK_LEN;
+ 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) ||
+ (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);
+ 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_ALG_IGTK, broadcast_ether_addr,
+ keyidx, 0, igtk->pn, sizeof(igtk->pn),
+ igtk->igtk, WPA_IGTK_LEN) < 0) {
+ wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
+ "WPA: Failed to configure IGTK to the driver");
+ return -1;
+ }
+
+ 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;
+}
+#endif /* CONFIG_IEEE80211W */
+
+
static int ieee80211w_set_keys(struct wpa_sm *sm,
struct wpa_eapol_ie_parse *ie)
{
@@ -718,28 +798,12 @@
if (ie->igtk) {
const struct wpa_igtk_kde *igtk;
- u16 keyidx;
if (ie->igtk_len != sizeof(*igtk))
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, WPA_IGTK_LEN);
- if (keyidx > 4095) {
- wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
- "WPA: Invalid IGTK KeyID %d", keyidx);
+ if (wpa_supplicant_install_igtk(sm, igtk, 0) < 0)
return -1;
- }
- if (wpa_sm_set_key(sm, WPA_ALG_IGTK, broadcast_ether_addr,
- keyidx, 0, igtk->pn, sizeof(igtk->pn),
- igtk->igtk, WPA_IGTK_LEN) < 0) {
- wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
- "WPA: Failed to configure IGTK to the driver");
- return -1;
- }
}
return 0;
@@ -1343,7 +1407,7 @@
if (ret)
goto failed;
- if (wpa_supplicant_install_gtk(sm, &gd, key->key_rsc) ||
+ if (wpa_supplicant_install_gtk(sm, &gd, key->key_rsc, 0) ||
wpa_supplicant_send_2_of_2(sm, key, ver, key_info))
goto failed;
@@ -2043,7 +2107,7 @@
*/
void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
{
- int clear_ptk = 1;
+ int clear_keys = 1;
if (sm == NULL)
return;
@@ -2069,18 +2133,24 @@
/* 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.
*/
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Clear old PTK");
sm->ptk_set = 0;
sm->tptk_set = 0;
+ 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_TDLS
@@ -2105,6 +2175,9 @@
#ifdef CONFIG_TDLS
wpa_tdls_disassoc(sm);
#endif /* CONFIG_TDLS */
+#ifdef CONFIG_IEEE80211R
+ sm->ft_reassoc_completed = 0;
+#endif /* CONFIG_IEEE80211R */
}
@@ -2602,6 +2675,12 @@
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));
+ 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 */
}
@@ -2669,28 +2748,18 @@
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)) {
wpa_printf(MSG_DEBUG, "Failed to install the GTK in "
"WNM mode");
return -1;
}
#ifdef CONFIG_IEEE80211W
} else if (subelem_id == WNM_SLEEP_SUBELEM_IGTK) {
- os_memcpy(igd.keyid, buf + 2, 2);
- os_memcpy(igd.pn, buf + 4, 6);
+ const struct wpa_igtk_kde *igtk;
- keyidx = WPA_GET_LE16(igd.keyid);
- os_memcpy(igd.igtk, buf + 10, WPA_IGTK_LEN);
-
- wpa_hexdump_key(MSG_DEBUG, "Install IGTK (WNM SLEEP)",
- igd.igtk, WPA_IGTK_LEN);
- if (wpa_sm_set_key(sm, WPA_ALG_IGTK, broadcast_ether_addr,
- keyidx, 0, igd.pn, sizeof(igd.pn),
- igd.igtk, WPA_IGTK_LEN) < 0) {
- wpa_printf(MSG_DEBUG, "Failed to install the IGTK in "
- "WNM mode");
+ igtk = (const struct wpa_igtk_kde *) (buf + 2);
+ if (wpa_supplicant_install_igtk(sm, igtk, 1) < 0)
return -1;
- }
#endif /* CONFIG_IEEE80211W */
} else {
wpa_printf(MSG_DEBUG, "Unknown element id");
--- contrib/wpa/src/rsn_supp/wpa_ft.c.orig
+++ contrib/wpa/src/rsn_supp/wpa_ft.c
@@ -156,6 +156,7 @@
u16 capab;
sm->ft_completed = 0;
+ sm->ft_reassoc_completed = 0;
buf_len = 2 + sizeof(struct rsn_mdie) + 2 + sizeof(struct rsn_ftie) +
2 + sm->r0kh_id_len + ric_ies_len + 100;
@@ -671,6 +672,11 @@
return -1;
}
+ if (sm->ft_reassoc_completed) {
+ wpa_printf(MSG_DEBUG, "FT: Reassociation has already been completed for this FT protocol instance - ignore unexpected retransmission");
+ return 0;
+ }
+
if (wpa_ft_parse_ies(ies, ies_len, &parse) < 0) {
wpa_printf(MSG_DEBUG, "FT: Failed to parse IEs");
return -1;
@@ -769,6 +775,8 @@
return -1;
}
+ sm->ft_reassoc_completed = 1;
+
if (wpa_ft_process_gtk_subelem(sm, parse.gtk, parse.gtk_len) < 0)
return -1;
--- contrib/wpa/src/rsn_supp/wpa_i.h.orig
+++ contrib/wpa/src/rsn_supp/wpa_i.h
@@ -23,12 +23,19 @@
size_t pmk_len;
struct wpa_ptk ptk, tptk;
int ptk_set, tptk_set;
+ int ptk_installed;
u8 snonce[WPA_NONCE_LEN];
u8 anonce[WPA_NONCE_LEN]; /* ANonce from the last 1/4 msg */
int renew_snonce;
u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
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 */
@@ -115,6 +122,7 @@
size_t r0kh_id_len;
u8 r1kh_id[FT_R1KH_ID_LEN];
int ft_completed;
+ int ft_reassoc_completed;
int over_the_ds_in_progress;
u8 target_ap[ETH_ALEN]; /* over-the-DS target AP */
int set_ptk_after_assoc;
--- contrib/wpa/wpa_supplicant/events.c.orig
+++ contrib/wpa/wpa_supplicant/events.c
@@ -181,6 +181,7 @@
wpa_s->ap_ies_from_associnfo = 0;
wpa_s->current_ssid = NULL;
wpa_s->key_mgmt = 0;
+ wpa_s->wnmsleep_used = 0;
}
--- contrib/wpa/wpa_supplicant/wnm_sta.c.orig
+++ contrib/wpa/wpa_supplicant/wnm_sta.c
@@ -130,6 +130,8 @@
if (res < 0)
wpa_printf(MSG_DEBUG, "Failed to send WNM-Sleep Request "
"(action=%d, intval=%d)", action, intval);
+ else
+ wpa_s->wnmsleep_used = 1;
os_free(wnmsleep_ie);
os_free(wnmtfs_ie);
@@ -180,6 +182,12 @@
end = ptr + key_len_total;
wpa_hexdump_key(MSG_DEBUG, "WNM: Key Data", ptr, key_len_total);
+ if (key_len_total && !wpa_sm_pmf_enabled(wpa_s->wpa)) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "WNM: Ignore Key Data in WNM-Sleep Mode Response - PMF not enabled");
+ return;
+ }
+
while (ptr + 1 < end) {
if (ptr + 2 + ptr[1] > end) {
wpa_printf(MSG_DEBUG, "WNM: Invalid Key Data element "
@@ -239,6 +247,12 @@
u8 *tfsresp_ie_start = NULL;
u8 *tfsresp_ie_end = NULL;
+ if (!wpa_s->wnmsleep_used) {
+ wpa_printf(MSG_DEBUG,
+ "WNM: Ignore WNM-Sleep Mode Response frame since WNM-Sleep Mode operation has not been requested");
+ return;
+ }
+
wpa_printf(MSG_DEBUG, "action=%d token = %d key_len_total = %d",
frm[0], frm[1], key_len_total);
pos += 4 + key_len_total;
@@ -269,6 +283,8 @@
return;
}
+ wpa_s->wnmsleep_used = 0;
+
if (wnmsleep_ie->status == WNM_STATUS_SLEEP_ACCEPT ||
wnmsleep_ie->status == WNM_STATUS_SLEEP_EXIT_ACCEPT_GTK_UPDATE) {
wpa_printf(MSG_DEBUG, "Successfully recv WNM-Sleep Response "
--- contrib/wpa/wpa_supplicant/wpa_supplicant_i.h.orig
+++ contrib/wpa/wpa_supplicant/wpa_supplicant_i.h
@@ -478,6 +478,7 @@
struct os_time pending_eapol_rx_time;
u8 pending_eapol_rx_src[ETH_ALEN];
unsigned int last_eapol_matches_bssid:1;
+ unsigned int wnmsleep_used:1;
struct ibss_rsn *ibss_rsn;

18
share/security/patches/SA-17:07/wpa-10.patch.asc Normal file
View file

@ -0,0 +1,18 @@
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