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From: Paul Koning <paulkoning@comcast.net>
To: Richard Earnshaw <Richard.Earnshaw@foss.arm.com>
Cc: Siddhesh Poyarekar <siddhesh@gotplt.org>,
	Nick Clifton <nickc@redhat.com>,
	Binutils <binutils@sourceware.org>,
	"gdb@sourceware.org" <gdb@sourceware.org>
Subject: Re: RFC: Adding a SECURITY.md document to the Binutils
Date: Wed, 12 Apr 2023 12:58:39 -0400	[thread overview]
Message-ID: <3A484AE1-77A9-47F4-A4F4-E8C5A333DB7C@comcast.net> (raw)
In-Reply-To: <b526c591-760e-bec1-c267-019aae0fde36@foss.arm.com>



> On Apr 12, 2023, at 12:52 PM, Richard Earnshaw via Gdb <gdb@sourceware.org> wrote:
> 
> On 12/04/2023 17:26, Siddhesh Poyarekar wrote:
>> ...
>> Ack, I reckon this should be addressed by "corrupt output files from valid trusted inputs".  If that's not clear enough, could you suggest alternative phrasing that makes it clearer?
> 
> I'm not sure corrupt is general enough.  Each instruction in the binary might be completely legal, but their sequencing could leave some vulnerabilities (think spectre, for example, but that's pretty extreme).
> 
> Perhaps something like "... this means that the tools introduce a vulnerability in the output file that was not present in the input files being processed".  I think with that wording you probably don't even need the last sentence in the first paragraph.

I agree.  The scenario in "Reflections on trusting trust", Ken Thompson's famous paper, comes to mind.  It might be worth adding that as a reference.

	paul



  reply	other threads:[~2023-04-12 16:58 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-07  8:42 Nick Clifton
2023-04-07 10:36 ` Eli Zaretskii
2023-04-11 13:29   ` Nick Clifton
2023-04-11 14:23     ` Simon Marchi
2023-04-11 15:00       ` Eli Zaretskii
2023-04-11 16:22         ` Nick Clifton
2023-04-11 16:32           ` Matt Rice
2023-04-11 18:18         ` J.W. Jagersma
2023-04-12  8:43           ` Nick Clifton
2023-04-08  6:30 ` Jan Beulich
2023-04-10 18:30 ` John Baldwin
2023-04-20 15:56   ` Nick Clifton
2023-04-11 19:45 ` Ian Lance Taylor
2023-04-12 16:02 ` Richard Earnshaw
2023-04-12 16:26   ` Siddhesh Poyarekar
2023-04-12 16:52     ` Richard Earnshaw
2023-04-12 16:58       ` Paul Koning [this message]
2023-04-12 17:10       ` Siddhesh Poyarekar
2023-04-13  3:51         ` Alan Modra
2023-04-13  4:25           ` Siddhesh Poyarekar
2023-04-13  5:16             ` Alan Modra
2023-04-13 12:00               ` Siddhesh Poyarekar
2023-04-13 10:25         ` Richard Earnshaw
2023-04-13 11:53           ` Siddhesh Poyarekar
2023-04-13 12:37             ` Richard Earnshaw
2023-04-13 12:54               ` Siddhesh Poyarekar
2023-04-13 13:11                 ` Richard Earnshaw
2023-04-13 13:35                   ` Siddhesh Poyarekar
2023-04-13 13:40                     ` Richard Earnshaw
2023-04-13 13:56                       ` Siddhesh Poyarekar
2023-04-13 14:50                         ` Richard Earnshaw
2023-04-13 15:02                           ` Siddhesh Poyarekar
2023-04-13 15:05                             ` Richard Earnshaw
2023-04-13 16:42                               ` Siddhesh Poyarekar
2023-04-14  9:52                                 ` Richard Earnshaw
2023-04-14 12:43                                   ` Siddhesh Poyarekar
2023-04-14 12:49                                     ` Richard Earnshaw
2023-04-14 13:13                                       ` Siddhesh Poyarekar
2023-04-13 15:08                             ` Paul Koning
2023-04-13 16:02                               ` Siddhesh Poyarekar
2023-04-13 16:49                                 ` Paul Koning
2023-04-13 17:00                                   ` Siddhesh Poyarekar
2023-04-13 17:05                                     ` Paul Koning
2023-04-13 17:29                                       ` Siddhesh Poyarekar
2023-04-13 17:37                                         ` Paul Koning
2023-04-13 18:16                                           ` Siddhesh Poyarekar
2023-04-14 17:37                                     ` Ian Lance Taylor
2023-04-14 18:27                                       ` Siddhesh Poyarekar
2023-04-14 20:46                                         ` Ian Lance Taylor
2023-04-14 21:24                                           ` Siddhesh Poyarekar
2023-04-17 15:31                                           ` Michael Matz
2023-04-17 19:55                                             ` Ian Lance Taylor
2023-04-14 19:45                                       ` DJ Delorie
2023-04-14 20:49                                         ` Ian Lance Taylor
2023-04-15  6:41                                           ` Xi Ruoyao
2023-04-13 16:06                               ` Richard Earnshaw

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