From db9309152e2b8b907dbc2a6242044c02fea60a83 Mon Sep 17 00:00:00 2001 From: "Justin M. Forbes" Date: Mon, 27 Jan 2020 08:03:45 -0600 Subject: Linux v5.5 --- ...uffer-overflows-at-parsing-bss-descriptor.patch | 120 --------------------- 1 file changed, 120 deletions(-) delete mode 100644 libertas-Fix-two-buffer-overflows-at-parsing-bss-descriptor.patch (limited to 'libertas-Fix-two-buffer-overflows-at-parsing-bss-descriptor.patch') diff --git a/libertas-Fix-two-buffer-overflows-at-parsing-bss-descriptor.patch b/libertas-Fix-two-buffer-overflows-at-parsing-bss-descriptor.patch deleted file mode 100644 index e8c4c4b64..000000000 --- a/libertas-Fix-two-buffer-overflows-at-parsing-bss-descriptor.patch +++ /dev/null @@ -1,120 +0,0 @@ -From patchwork Fri Nov 22 05:29:17 2019 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -X-Patchwork-Submitter: huangwenabc@gmail.com -X-Patchwork-Id: 11257187 -X-Patchwork-Delegate: kvalo@adurom.com -Return-Path: -Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org - [172.30.200.123]) - by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 032DA112B - for ; 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- Thu, 21 Nov 2019 21:29:32 -0800 (PST) -From: huangwenabc@gmail.com -To: linux-wireless@vger.kernel.org -Cc: linux-distros@vs.openwall.org, security@kernel.org, - libertas-dev@lists.infradead.org -Subject: [PATCH] libertas: Fix two buffer overflows at parsing bss descriptor -Date: Fri, 22 Nov 2019 13:29:17 +0800 -Message-Id: <20191122052917.11309-1-huangwenabc@gmail.com> -X-Mailer: git-send-email 2.17.1 -Sender: linux-wireless-owner@vger.kernel.org -Precedence: bulk -List-ID: -X-Mailing-List: linux-wireless@vger.kernel.org - -From: Wen Huang - -add_ie_rates() copys rates without checking the length -in bss descriptor from remote AP.when victim connects to -remote attacker, this may trigger buffer overflow. -lbs_ibss_join_existing() copys rates without checking the length -in bss descriptor from remote IBSS node.when victim connects to -remote attacker, this may trigger buffer overflow. -Fix them by putting the length check before performing copy. - -This fix addresses CVE-2019-14896 and CVE-2019-14897. - -Signed-off-by: Wen Huang ---- - drivers/net/wireless/marvell/libertas/cfg.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c -index 57edfada0..290280764 100644 ---- a/drivers/net/wireless/marvell/libertas/cfg.c -+++ b/drivers/net/wireless/marvell/libertas/cfg.c -@@ -273,6 +273,10 @@ add_ie_rates(u8 *tlv, const u8 *ie, int *nrates) - int hw, ap, ap_max = ie[1]; - u8 hw_rate; - -+ if (ap_max > MAX_RATES) { -+ lbs_deb_assoc("invalid rates\n"); -+ return tlv; -+ } - /* Advance past IE header */ - ie += 2; - -@@ -1777,6 +1781,10 @@ static int lbs_ibss_join_existing(struct lbs_private *priv, - } else { - int hw, i; - u8 rates_max = rates_eid[1]; -+ if (rates_max > MAX_RATES) { -+ lbs_deb_join("invalid rates"); -+ goto out; -+ } - u8 *rates = cmd.bss.rates; - for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) { - u8 hw_rate = lbs_rates[hw].bitrate / 5; -- cgit