diff options
Diffstat (limited to 'main/hostapd')
| -rw-r--r-- | main/hostapd/APKBUILD | 6 | ||||
| -rw-r--r-- | main/hostapd/CVE-2019-16275.patch | 73 |
2 files changed, 78 insertions, 1 deletions
diff --git a/main/hostapd/APKBUILD b/main/hostapd/APKBUILD index 1a510d26fb..09ea940ca2 100644 --- a/main/hostapd/APKBUILD +++ b/main/hostapd/APKBUILD @@ -1,7 +1,7 @@ # Maintainer: Natanael Copa <ncopa@alpinelinux.org> pkgname=hostapd pkgver=2.6 -pkgrel=5 +pkgrel=6 pkgdesc="daemon for wireless software access points" url="http://hostap.epitest.fi/hostapd/" arch="all" @@ -20,6 +20,7 @@ patches="CVE-2012-4445.patch CVE-2019-9496.patch 0009-EAP-pwd-server-Fix-reassembly-buffer-handling.patch 0010-EAP-pwd-peer-Fix-reassembly-buffer-handling.patch + CVE-2019-16275.patch " source="http://hostap.epitest.fi/releases/$pkgname-$pkgver.tar.gz $patches @@ -29,6 +30,8 @@ options="!check" #no testsuite builddir="$srcdir"/$pkgname-$pkgver/hostapd # secfixes: +# 2.6-r6: +# - CVE-2019-16275 # 2.6-r5: # - CVE-2019-9496 # 2.6-r4: @@ -115,5 +118,6 @@ fc84edd8b30305cc42053c872554098f3f077292ec980ed6a442f37884087ff2f055738fd55977ed 90981a52d6cb2e91f67a9bc830d3db02da6fde4bea0cf512b22111da6c8ab151f5dd171a2f2e409d9ff75e388e72c2314dd023a98fdabf16248b11a950bde881 CVE-2019-9496.patch 7038044885871271ac724790663d5c0a428db83b41a691747be7a618ae893670a98f3ba52a297937249084296b0e9bcfd791edaa3928548efddb259e1a15f46c 0009-EAP-pwd-server-Fix-reassembly-buffer-handling.patch 99c734fe395b4231aa6a097a08a00e5dab65ea9c37a7c83b1904a37c39307d9e7e95485734b0d483687126f4100c75f8a7b1420f0a2edcbfe07b454a14548822 0010-EAP-pwd-peer-Fix-reassembly-buffer-handling.patch +63710cfb0992f2c346a9807d8c97cbeaed032fa376a0e93a2e56f7742ce515e9c4dfadbdb1af03ba272281f639aab832f0178f67634c222a5d99e1d462aa9e38 CVE-2019-16275.patch b54b7c6aa17e5cb86a9b354a516eb2dbefb544df18471339c61d82776de447011a2ac290bea1e6c8beae4b6cebefafb8174683ea42fb773e9e8fe6c679f33ba3 hostapd.initd 0882263bbd7c0b05bf51f51d66e11a23a0b8ca7da2a3b8a30166d2c5f044c0c134e6bccb1d02c9e81819ca8fb0c0fb55c7121a08fe7233ccaa73ff8ab9a238fe hostapd.confd" diff --git a/main/hostapd/CVE-2019-16275.patch b/main/hostapd/CVE-2019-16275.patch new file mode 100644 index 0000000000..d764a9db01 --- /dev/null +++ b/main/hostapd/CVE-2019-16275.patch @@ -0,0 +1,73 @@ +From 8c07fa9eda13e835f3f968b2e1c9a8be3a851ff9 Mon Sep 17 00:00:00 2001 +From: Jouni Malinen <j@w1.fi> +Date: Thu, 29 Aug 2019 11:52:04 +0300 +Subject: [PATCH] AP: Silently ignore management frame from unexpected source + address + +Do not process any received Management frames with unexpected/invalid SA +so that we do not add any state for unexpected STA addresses or end up +sending out frames to unexpected destination. This prevents unexpected +sequences where an unprotected frame might end up causing the AP to send +out a response to another device and that other device processing the +unexpected response. + +In particular, this prevents some potential denial of service cases +where the unexpected response frame from the AP might result in a +connected station dropping its association. + +Signed-off-by: Jouni Malinen <j@w1.fi> +--- + src/ap/drv_callbacks.c | 13 +++++++++++++ + src/ap/ieee802_11.c | 12 ++++++++++++ + 2 files changed, 25 insertions(+) + +diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c +index 31587685fe3b..34ca379edc3d 100644 +--- a/src/ap/drv_callbacks.c ++++ b/src/ap/drv_callbacks.c +@@ -131,6 +131,19 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, + "hostapd_notif_assoc: Skip event with no address"); + return -1; + } ++ ++ if (is_multicast_ether_addr(addr) || ++ is_zero_ether_addr(addr) || ++ os_memcmp(addr, hapd->own_addr, ETH_ALEN) == 0) { ++ /* Do not process any frames with unexpected/invalid SA so that ++ * we do not add any state for unexpected STA addresses or end ++ * up sending out frames to unexpected destination. */ ++ wpa_printf(MSG_DEBUG, "%s: Invalid SA=" MACSTR ++ " in received indication - ignore this indication silently", ++ __func__, MAC2STR(addr)); ++ return 0; ++ } ++ + random_add_randomness(addr, ETH_ALEN); + + hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, +diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c +index c85a28db44b7..e7065372e158 100644 +--- a/src/ap/ieee802_11.c ++++ b/src/ap/ieee802_11.c +@@ -4626,6 +4626,18 @@ int ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len, + fc = le_to_host16(mgmt->frame_control); + stype = WLAN_FC_GET_STYPE(fc); + ++ if (is_multicast_ether_addr(mgmt->sa) || ++ is_zero_ether_addr(mgmt->sa) || ++ os_memcmp(mgmt->sa, hapd->own_addr, ETH_ALEN) == 0) { ++ /* Do not process any frames with unexpected/invalid SA so that ++ * we do not add any state for unexpected STA addresses or end ++ * up sending out frames to unexpected destination. */ ++ wpa_printf(MSG_DEBUG, "MGMT: Invalid SA=" MACSTR ++ " in received frame - ignore this frame silently", ++ MAC2STR(mgmt->sa)); ++ return 0; ++ } ++ + if (stype == WLAN_FC_STYPE_BEACON) { + handle_beacon(hapd, mgmt, len, fi); + return 1; +-- +2.20.1 + |