From nobody Wed May 20 19:40:39 2026 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gLMMr00Gcz6fK6N for ; Wed, 20 May 2026 19:40:40 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gLMMq3BPlz3b8j for ; Wed, 20 May 2026 19:40:39 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1779306039; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=kuNqt8gAbLkf69MT4fOuX78cF7IKYc/koBvWlKAWsGc=; b=dngIwbqVtcVjSxks/aV37J2jMVnat4Jr/BlWQdipkkwpRJHiPMivKfJbVF7Id/400zEbLv Z0ElypuwHVgLSkE3W765vZ/WIivl2nbB7nqd+xOny0VfwaVXMqf9O48qlbFCktd+xqawUo IOwCKUdpVTITBJ0pKDugNYZLf3qaQZnE8THGd1OVyG0cMt8bPYv0at/OHPWVHvgK/ivvkC IoLFiVuzhEe6GTyRgwMPBFNHuOpypPQ1hjjSXV9NfczPFo4aCpY+iP+TPz9d8JUhK8qV1h iz9ykp5rKLYegnlgvwLOOd3FaNAqM/I9a//UgEcMlHpWq9dDN3h4kffTPzyDIw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1779306039; a=rsa-sha256; cv=none; b=eXj8B2gxi89iVP2WTWwM2Dg88m52B2+e2090+3eNi5zYvzzw3LsRnrC3kBCfZXsZWFLJ+c bct7NyxLdDo1RPvkLX27RvL6NaS392VV5tCqomf/uX+VFKnfJpFqpP/h/SxbaVMS5H0pr+ DlMr8WhG6JVXu1OLD1anvyCr2McVy/ANHP6GcQ7jIs+VbgPCVrtpMPr7AntBQhhjw/VWhF 9ATcw24dsoijAGiyWzCnrJw1h1w8SDZGNWHOtFovHM8hy1KDdGG3eZ97bL7WEeddaw2E2Z fTNdOkO4TeHamiE8s7VzvTgvqrgu8m1cyhezNqbaYsMAymyic9pDcoGEa7zK4A== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1779306039; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=kuNqt8gAbLkf69MT4fOuX78cF7IKYc/koBvWlKAWsGc=; b=MJu6wB7kgX7Ng1eOy0f9AgyrN5hM4YeCv9s+YfBbKroOJiljImv93cxQqxuIfC3PPjvXeP twfOgH2/kbpTso6690lX0GNWD7akODJQ4q++3x1B1M7+GnLhZN/aDULAq5EcG2qpvELGt3 lr6ZsG+hqL5uSY12vG++fzTdpD3VoBRioEe5+++tBGtjikXlxMihCttbXFHYc9Qwed2Vl9 cQki2KF7df5ze9pDKyUtGGS6mwM7Rs2Kkka/APzB5XYI9HKc22rgghFcUhB27CuAIlTp7T y4exts8DtUHP6dshLR6RMUPXf6N7scjJPXRmwRgz+W7T3LHiK868VVvqeJ+FoQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4gLMMq2hS4z1F8x for ; Wed, 20 May 2026 19:40:39 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 39c24 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Wed, 20 May 2026 19:40:39 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Cc: Renato Botelho From: Mark Johnston Subject: git: 7b80739d1290 - releng/14.3 - bsdinstall: Avoid invoking eval on the wlan SSID list List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/releng/14.3 X-Git-Reftype: branch X-Git-Commit: 7b80739d1290bb634fa7f45137297a0a8d02b3cd Auto-Submitted: auto-generated Date: Wed, 20 May 2026 19:40:39 +0000 Message-Id: <6a0e0e37.39c24.379b2a98@gitrepo.freebsd.org> The branch releng/14.3 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=7b80739d1290bb634fa7f45137297a0a8d02b3cd commit 7b80739d1290bb634fa7f45137297a0a8d02b3cd Author: Renato Botelho AuthorDate: 2024-05-20 13:43:35 +0000 Commit: Mark Johnston CommitDate: 2026-05-20 02:12:20 +0000 bsdinstall: Avoid invoking eval on the wlan SSID list The wlanconfig utility is not careful about handling untrusted network names, which can contain shell metacharacters. Factor network selection into a subroutine and use the `set -- "$@"` trick to build up a list of positional parameters for bsddialog without evaluating them. Approved by: so Security: FreeBSD-SA-26:23.bsdinstall Security: CVE-2026-45255 Reported by: Austin Ralls Reviewed by: dteske, des, asiciliano Differential Revision: https://reviews.freebsd.org/D56973 --- usr.sbin/bsdinstall/scripts/wlanconfig | 47 ++++++++++++++++++++++------------ 1 file changed, 31 insertions(+), 16 deletions(-) diff --git a/usr.sbin/bsdinstall/scripts/wlanconfig b/usr.sbin/bsdinstall/scripts/wlanconfig index 728833f8d4a0..75e3413a06f8 100755 --- a/usr.sbin/bsdinstall/scripts/wlanconfig +++ b/usr.sbin/bsdinstall/scripts/wlanconfig @@ -147,6 +147,34 @@ dialog_country_select() country_set "$regdomain" "$country" } +dialog_network_select() +{ + local ssid flags height width rows prompt + + # Avoid using eval on untrusted data. + set -- + while IFS=$'\t' read -r ssid flags; do + [ -n "$ssid" ] || continue + set -- "$@" "$ssid" "$flags" + done <&1 >&$DIALOG_TERMINAL_PASSTHRU_FD +} + ############################################################ MAIN : > "$BSDINSTALL_TMPETC/wpa_supplicant.conf" @@ -207,27 +235,14 @@ while :; do f_eval_catch -dk SCAN_RESULTS wlanconfig wpa_cli "wpa_cli scan_results" NETWORKS=$( echo "$SCAN_RESULTS" | awk -F '\t' ' - /..:..:..:..:..:../ && $5 { printf "\"%s\"\t\"%s\"\n", $5, $4 } + /..:..:..:..:..:../ && $5 { print $5 "\t" $4 } ' | sort | uniq ) if [ ! "$NETWORKS" ]; then f_dialog_title "$msg_error" f_yesno "No wireless networks were found. Rescan?" && continue else - f_dialog_title "Network Selection" - prompt="Select a wireless network to connect to." - f_dialog_menu_size height width rows "$DIALOG_TITLE" \ - "$DIALOG_BACKTITLE" "$prompt" "" $menu_list - NETWORK=$( eval $DIALOG \ - --title \"\$DIALOG_TITLE\" \ - --backtitle \"\$DIALOG_BACKTITLE\" \ - --extra-button \ - --extra-label \"Rescan\" \ - --menu \"\$prompt\" \ - $height $width $rows \ - $NETWORKS \ - 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD - ) + NETWORK=$( dialog_network_select ) fi retval=$? f_dialog_data_sanitize NETWORK @@ -264,7 +279,7 @@ while :; do done [ "$ENCRYPTION" ] || ENCRYPTION=$( echo "$NETWORKS" | - awk -F '\t' "/^\"$NETWORK\"\t/ { print \$2 }" ) + awk -F '\t' "/^$NETWORK\t/ { print \$2 }" ) if echo "$ENCRYPTION" | grep -q PSK; then PASS=$( $DIALOG \