diff options
Diffstat (limited to 'meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/key-replay-cve-multiple8.patch')
| -rw-r--r-- | meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/key-replay-cve-multiple8.patch | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/key-replay-cve-multiple8.patch b/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/key-replay-cve-multiple8.patch deleted file mode 100644 index 7f5390c312..0000000000 --- a/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/key-replay-cve-multiple8.patch +++ /dev/null @@ -1,99 +0,0 @@ -The WPA2 four-way handshake protocol is vulnerable to replay attacks which can -result in unauthenticated clients gaining access to the network. - -Backport a number of patches from upstream to fix this. - -CVE: CVE-2017-13077 -CVE: CVE-2017-13078 -CVE: CVE-2017-13079 -CVE: CVE-2017-13080 -CVE: CVE-2017-13081 -CVE: CVE-2017-13082 -CVE: CVE-2017-13086 -CVE: CVE-2017-13087 -CVE: CVE-2017-13088 - -Upstream-Status: Backport -Signed-off-by: Ross Burton <ross.burton@intel.com> - -From b372ab0b7daea719749194dc554b26e6367603f2 Mon Sep 17 00:00:00 2001 -From: Jouni Malinen <j@w1.fi> -Date: Fri, 22 Sep 2017 12:06:37 +0300 -Subject: [PATCH 8/8] FT: Do not allow multiple Reassociation Response frames - -The driver is expected to not report a second association event without -the station having explicitly request a new association. As such, this -case should not be reachable. However, since reconfiguring the same -pairwise or group keys to the driver could result in nonce reuse issues, -be extra careful here and do an additional state check to avoid this -even if the local driver ends up somehow accepting an unexpected -Reassociation Response frame. - -Signed-off-by: Jouni Malinen <j@w1.fi> ---- - src/rsn_supp/wpa.c | 3 +++ - src/rsn_supp/wpa_ft.c | 8 ++++++++ - src/rsn_supp/wpa_i.h | 1 + - 3 files changed, 12 insertions(+) - -diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c -index 0550a41..2a53c6f 100644 ---- a/src/rsn_supp/wpa.c -+++ b/src/rsn_supp/wpa.c -@@ -2440,6 +2440,9 @@ void wpa_sm_notify_disassoc(struct wpa_sm *sm) - #ifdef CONFIG_TDLS - wpa_tdls_disassoc(sm); - #endif /* CONFIG_TDLS */ -+#ifdef CONFIG_IEEE80211R -+ sm->ft_reassoc_completed = 0; -+#endif /* CONFIG_IEEE80211R */ - - /* Keys are not needed in the WPA state machine anymore */ - wpa_sm_drop_sa(sm); -diff --git a/src/rsn_supp/wpa_ft.c b/src/rsn_supp/wpa_ft.c -index 205793e..d45bb45 100644 ---- a/src/rsn_supp/wpa_ft.c -+++ b/src/rsn_supp/wpa_ft.c -@@ -153,6 +153,7 @@ static u8 * wpa_ft_gen_req_ies(struct wpa_sm *sm, size_t *len, - 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; -@@ -681,6 +682,11 @@ int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, - 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; -@@ -781,6 +787,8 @@ int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, - return -1; - } - -+ sm->ft_reassoc_completed = 1; -+ - if (wpa_ft_process_gtk_subelem(sm, parse.gtk, parse.gtk_len) < 0) - return -1; - -diff --git a/src/rsn_supp/wpa_i.h b/src/rsn_supp/wpa_i.h -index 41f371f..56f88dc 100644 ---- a/src/rsn_supp/wpa_i.h -+++ b/src/rsn_supp/wpa_i.h -@@ -128,6 +128,7 @@ struct wpa_sm { - 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; --- -2.7.4
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