diff --git a/hostapd.changes b/hostapd.changes index dc8b3c7..85e7a74 100644 --- a/hostapd.changes +++ b/hostapd.changes @@ -1,3 +1,9 @@ +------------------------------------------------------------------- +Fri Oct 19 10:32:25 UTC 2018 - Karol Babioch + +- Added rebased-v2.6-0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch + Ignore unauthenticated encrypted EAPOL-Key data (CVE-2018-14526, bsc#1104205). + ------------------------------------------------------------------- Wed Oct 18 21:59:01 UTC 2017 - chris@intrbiz.com diff --git a/hostapd.spec b/hostapd.spec index 51b6acc..0a794ba 100644 --- a/hostapd.spec +++ b/hostapd.spec @@ -1,7 +1,7 @@ # # spec file for package hostapd # -# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany. +# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany. # # All modifications and additions to the file contributed by third parties # remain the property of their copyright owners, unless otherwise agreed @@ -12,7 +12,7 @@ # license that conforms to the Open Source Definition (Version 1.9) # published by the Open Source Initiative. -# Please submit bugfixes or comments via http://bugs.opensuse.org/ +# Please submit bugfixes or comments via https://bugs.opensuse.org/ # @@ -24,7 +24,7 @@ BuildRequires: sqlite3-devel BuildRequires: pkgconfig(libnl-3.0) >= 3.0 BuildRequires: pkgconfig(systemd) Summary: Turns Your WLAN Card into a WPA capable Access Point -License: GPL-2.0 or BSD-3-Clause +License: GPL-2.0-only OR BSD-3-Clause Group: Hardware/Wifi Version: 2.6 Release: 0 @@ -40,6 +40,7 @@ Patch4: rebased-v2.6-0004-Prevent-installation-of-an-all-zero-TK.patch Patch5: rebased-v2.6-0005-Fix-PTK-rekeying-to-generate-a-new-ANonce.patch Patch6: rebased-v2.6-0006-TDLS-Reject-TPK-TK-reconfiguration.patch Patch7: rebased-v2.6-0008-FT-Do-not-allow-multiple-Reassociation-Response-fram.patch +Patch8: rebased-v2.6-0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch %{?systemd_requires} %description @@ -61,6 +62,7 @@ authentication via any ethernet driver. %patch5 -p1 %patch6 -p1 %patch7 -p1 +%patch8 -p1 cd hostapd cp defconfig .config diff --git a/rebased-v2.6-0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch b/rebased-v2.6-0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch new file mode 100644 index 0000000..99b0549 --- /dev/null +++ b/rebased-v2.6-0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch @@ -0,0 +1,44 @@ +From 3e34cfdff6b192fe337c6fb3f487f73e96582961 Mon Sep 17 00:00:00 2001 +From: Mathy Vanhoef +Date: Sun, 15 Jul 2018 01:25:53 +0200 +Subject: [PATCH] WPA: Ignore unauthenticated encrypted EAPOL-Key data + +Ignore unauthenticated encrypted EAPOL-Key data in supplicant +processing. When using WPA2, these are frames that have the Encrypted +flag set, but not the MIC flag. + +When using WPA2, EAPOL-Key frames that had the Encrypted flag set but +not the MIC flag, had their data field decrypted without first verifying +the MIC. In case the data field was encrypted using RC4 (i.e., when +negotiating TKIP as the pairwise cipher), this meant that +unauthenticated but decrypted data would then be processed. An adversary +could abuse this as a decryption oracle to recover sensitive information +in the data field of EAPOL-Key messages (e.g., the group key). +(CVE-2018-14526) + +Signed-off-by: Mathy Vanhoef +--- + src/rsn_supp/wpa.c | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff -upr wpa_supplicant-2.6.orig/src/rsn_supp/wpa.c wpa_supplicant-2.6/src/rsn_supp/wpa.c +--- wpa_supplicant-2.6.orig/src/rsn_supp/wpa.c 2016-10-02 21:51:11.000000000 +0300 ++++ wpa_supplicant-2.6/src/rsn_supp/wpa.c 2018-08-08 16:55:11.506831029 +0300 +@@ -2016,6 +2016,17 @@ int wpa_sm_rx_eapol(struct wpa_sm *sm, c + + if ((sm->proto == WPA_PROTO_RSN || sm->proto == WPA_PROTO_OSEN) && + (key_info & WPA_KEY_INFO_ENCR_KEY_DATA)) { ++ /* ++ * Only decrypt the Key Data field if the frame's authenticity ++ * was verified. When using AES-SIV (FILS), the MIC flag is not ++ * set, so this check should only be performed if mic_len != 0 ++ * which is the case in this code branch. ++ */ ++ if (!(key_info & WPA_KEY_INFO_MIC)) { ++ wpa_msg(sm->ctx->msg_ctx, MSG_WARNING, ++ "WPA: Ignore EAPOL-Key with encrypted but unauthenticated data"); ++ goto out; ++ } + if (wpa_supplicant_decrypt_key_data(sm, key, ver, key_data, + &key_data_len)) + goto out;