なんだこれは

はてなダイアリーから移転しました。

SUIDGuard いれてみた

Mac

OS X 10.10.5 Yosemiteでも実行可能な権限昇格脆弱性をブロックする「NULLGuard」が公開 に紹介されていた、 SUIDGuard をインストールしてみる。

インストール

https://github.com/sektioneins/SUIDGuard にいって下の方にある、DMGかPKGのリンクからダウンロードしてダブルクリックする。

インストールを終了させるには、再起動が必要です。

ライセンスが 4条項BSD な件

Copyright (c) 2015, SektionEins GmbH All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software must display the following acknowledgement: This product includes software developed by SektionEins GmbH.
4. Neither the name of SektionEins GmbH nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY SEKTIONEINS GMBH ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SEKTIONEINS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

install の確認

load されているかは kextstat で確認できるらしい(https://github.com/sektioneins/SUIDGuard/issues/6)

kextstat -l | grep SUIDGuard

62 0 0xffffff7f80a41000 0x3000 0x3000 com.sektioneins.driver.SUIDGuardNG (1.0.6) <7 5 4 3 2 1>

uninstall メモ

アンインストールするには unloadしてから削除する。

kextunload -b com.sektioneins.driver.SUIDGuardNG

rm -r /Library/Extensions/SUIDGuardNG.kext