From owner-svn-src-all@freebsd.org Wed May 23 17:20:03 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E8D8CEAA02B; Wed, 23 May 2018 17:20:02 +0000 (UTC) (envelope-from cse.cem@gmail.com) Received: from mail-it0-f45.google.com (mail-it0-f45.google.com [209.85.214.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7DB1C74EF0; Wed, 23 May 2018 17:20:02 +0000 (UTC) (envelope-from cse.cem@gmail.com) Received: by mail-it0-f45.google.com with SMTP id y189-v6so5405704itb.2; Wed, 23 May 2018 10:20:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:reply-to:in-reply-to:references :from:date:message-id:subject:to:cc; bh=YhkDsvmLlXIvXba5pmw0vuLzFmsBbJuEFFMv0lA2VkU=; b=qDQj7P8xW/tM+EHClBHAMM4NNfONsm0/cg7tpt59T8FnhKpVGTCSKT0ozuSRacJQNw GTh0Dup9GLNr8C52iYHRVYauHuBQ7JtxsTB6a3PZZvgChqq9tiL3RZGYlMP2lcElFU4j wO2szT/VUrFETsQQ2gGbJRCDAayK6GddlUxEFaZkCWXgyOgDLq3aESXfbPGXtsoaQQUn elRO7Nvcd1p6B5iFwBlFrIJsIFDY6NIo9J5jknRRcYLMP5ikG35LFmWK3CGZIfTjRTVB WyhvUf10lYre933cquSVb/XDH7rBFhfr8kmi2fYGzlXau5neWTG2Yjnd7ItrK3hXXm2U dS+Q== X-Gm-Message-State: ALKqPwchgdZATqirIOUn3k8uU+1Xg4WZT6XEbXEB6DXqTQOSv94WKqcy aOXcb/ngKksrdRCgdFHReZVI5Lpl X-Google-Smtp-Source: AB8JxZp54JfXu1GF55t8oBN3luXqb8F9OVwxtxxX/hn2+Yz+ZOrsnnhqsqmhIMvUJcjVrvQ5QAZGWg== X-Received: by 2002:a24:f684:: with SMTP id u126-v6mr6281752ith.102.1527094078128; Wed, 23 May 2018 09:47:58 -0700 (PDT) Received: from mail-it0-f42.google.com (mail-it0-f42.google.com. [209.85.214.42]) by smtp.gmail.com with ESMTPSA id a187-v6sm1357200itd.41.2018.05.23.09.47.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 23 May 2018 09:47:58 -0700 (PDT) Received: by mail-it0-f42.google.com with SMTP id j186-v6so5150605ita.5; Wed, 23 May 2018 09:47:57 -0700 (PDT) X-Received: by 2002:a24:2885:: with SMTP id h127-v6mr5821636ith.46.1527094077821; Wed, 23 May 2018 09:47:57 -0700 (PDT) MIME-Version: 1.0 Reply-To: cem@freebsd.org Received: by 2002:a02:9696:0:0:0:0:0 with HTTP; Wed, 23 May 2018 09:47:57 -0700 (PDT) In-Reply-To: <822609135.13913713.1527060223167.JavaMail.zimbra@stormshield.eu> References: <201805221554.w4MFsPQA083334@repo.freebsd.org> <822609135.13913713.1527060223167.JavaMail.zimbra@stormshield.eu> From: Conrad Meyer Date: Wed, 23 May 2018 09:47:57 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: svn commit: r334054 - in head: sys/kern sys/netipsec tools/tools/crypto usr.bin/netstat To: Emeric POUPON Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers Content-Type: text/plain; charset="UTF-8" X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 May 2018 17:20:03 -0000 On Wed, May 23, 2018 at 12:23 AM, Emeric POUPON wrote: >> From: "Conrad Meyer" > >> Can users control arbitrary key_allocsp() calls? If so, it seems >> concerning to expose hit/miss stats on cached security keys. > > I am not sure to understand, could you please tell more about what you mean? If users can insert arbitrary keys into the cache, they can check the hit/miss statistics to tell if that key was already present -- revealing key contents. This would be a major problem. https://security.stackexchange.com/questions/10617/what-is-a-cryptographic-oracle Best, Conrad