From patchwork Wed Nov 17 09:18:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yu, Mingli" X-Patchwork-Id: 192 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8917BC433F5 for ; Wed, 17 Nov 2021 09:20:53 +0000 (UTC) Received: from mail1.wrs.com (mail1.wrs.com [147.11.3.146]) by mx.groups.io with SMTP id smtpd.web09.4837.1637140852441687400 for ; Wed, 17 Nov 2021 01:20:53 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=fail (domain: windriver.com, ip: 147.11.3.146, mailfrom: mingli.yu@windriver.com) Received: from mail.windriver.com (mail.wrs.com [147.11.1.11]) by mail1.wrs.com (8.15.2/8.15.2) with ESMTPS id 1AH9KhaF000911 (version=TLSv1.1 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Wed, 17 Nov 2021 01:20:43 -0800 Received: from ala-exchng01.corp.ad.wrs.com (ala-exchng01.corp.ad.wrs.com [147.11.82.252]) by mail.windriver.com (8.15.2/8.15.2) with ESMTPS id 1AH9KbtV026218 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 17 Nov 2021 01:20:43 -0800 (PST) Received: from ALA-EXCHNG02.corp.ad.wrs.com (147.11.82.254) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.12; Wed, 17 Nov 2021 01:20:39 -0800 Received: from ala-exchng01.corp.ad.wrs.com (147.11.82.252) by ALA-EXCHNG02.corp.ad.wrs.com (147.11.82.254) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Wed, 17 Nov 2021 01:20:38 -0800 Received: from pek-lpg-core2.corp.ad.wrs.com (128.224.153.41) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server id 15.1.2242.12 via Frontend Transport; Wed, 17 Nov 2021 01:20:37 -0800 From: To: Subject: [hardknott][PATCH 2/4] vim: fix CVE-2021-3875 Date: Wed, 17 Nov 2021 17:18:24 +0800 Message-ID: <20211117091826.22740-2-mingli.yu@windriver.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211117091826.22740-1-mingli.yu@windriver.com> References: <20211117091826.22740-1-mingli.yu@windriver.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Wed, 17 Nov 2021 09:20:53 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/158382 From: Mingli Yu Backport a patch to fix CVE-2021-3875. Signed-off-by: Mingli Yu --- .../vim/files/CVE-2021-3875.patch | 37 +++++++++++++++++++ meta/recipes-support/vim/vim.inc | 1 + 2 files changed, 38 insertions(+) create mode 100644 meta/recipes-support/vim/files/CVE-2021-3875.patch diff --git a/meta/recipes-support/vim/files/CVE-2021-3875.patch b/meta/recipes-support/vim/files/CVE-2021-3875.patch new file mode 100644 index 0000000000..d62d875f8e --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2021-3875.patch @@ -0,0 +1,37 @@ +From 40aa9802ef56d3cdbe256b4c9e58049953051a2d Mon Sep 17 00:00:00 2001 +From: Bram Moolenaar +Date: Mon, 15 Nov 2021 14:34:50 +0800 +Subject: [PATCH] patch 8.2.3489: ml_get error after search with range + +Problem: ml_get error after search with range. +Solution: Limit the line number to the buffer line count. + +CVE: CVE-2021-3875 + +Upstream-Status: Backport [https://github.com/vim/vim/commit/35a319b77f897744eec1155b736e9372c9c5575f] + +Signed-off-by: Mingli Yu +--- + src/ex_docmd.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +diff --git a/src/ex_docmd.c b/src/ex_docmd.c +index fb07450f8..89d33ba90 100644 +--- a/src/ex_docmd.c ++++ b/src/ex_docmd.c +@@ -3586,8 +3586,10 @@ get_address( + + // When '/' or '?' follows another address, start from + // there. +- if (lnum != MAXLNUM) +- curwin->w_cursor.lnum = lnum; ++ if (lnum > 0 && lnum != MAXLNUM) ++ curwin->w_cursor.lnum = ++ lnum > curbuf->b_ml.ml_line_count ++ ? curbuf->b_ml.ml_line_count : lnum; + + // Start a forward search at the end of the line (unless + // before the first line). +-- +2.17.1 + diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc index 362c822f05..315fb32ca9 100644 --- a/meta/recipes-support/vim/vim.inc +++ b/meta/recipes-support/vim/vim.inc @@ -22,6 +22,7 @@ SRC_URI = "git://github.com/vim/vim.git \ file://b7081e135a16091c93f6f5f7525a5c58fb7ca9f9.patch \ file://CVE-2021-3903.patch \ file://CVE-2021-3872.patch \ + file://CVE-2021-3875.patch \ " SRCREV = "98056533b96b6b5d8849641de93185dd7bcadc44"