From: Paul Koning <paulkoning@comcast.net>
To: Siddhesh Poyarekar <siddhesh@gotplt.org>
Cc: Richard Earnshaw <Richard.Earnshaw@foss.arm.com>,
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: Thu, 13 Apr 2023 11:08:27 -0400 [thread overview]
Message-ID: <E76CA0FA-92DC-4AD0-99D1-5A38D3FE749C@comcast.net> (raw)
In-Reply-To: <d17d09fd-a3be-1e97-2b26-01e8861c6c32@gotplt.org>
> On Apr 13, 2023, at 11:02 AM, Siddhesh Poyarekar <siddhesh@gotplt.org> wrote:
>
> On 2023-04-13 10:50, Richard Earnshaw wrote:
>> No, whilst elf can be executed, objdump should never be doing that: it's a tool for examining a file, not running it. You have to have a tool that can safely examine the contents of an elf file or you can never verify it for issues - opening it up in emacs to examine the contents is not the way to do that :)
>
> You can verify it for issues, in a sandbox.
>
>> But all that is beside the point. The original case I gave was a /corrupt/ elf file that caused a buffer overrun in the objdump binary.
>
> ... and that's a robustness issue. Any buffer overrun in any program could in theory be exploited to send out files.
No. Buffer overruns are generally recognized as security issues, precisely because they (often) can be used to produce arbitrary code execution exploits.
A buiffer overrun would be merely a robustness issue if it is guaranteed to cause nothing worse than a program abort.
paul
next prev parent reply other threads:[~2023-04-13 15:08 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
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 [this message]
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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