Re: RFC: Adding a SECURITY.md document to the Binutils

Richard Earnshaw via Binutils <[email protected]>
Newsgroups gmane.comp.gnu.binutils,gmane.comp.gdb.devel
Message-ID <[email protected]>

On 13/04/2023 16:02, Siddhesh Poyarekar 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.

Maybe.  But not always, it might not crash the program, but still lead 
to issues once taken outside of the 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.
> 

So what's your point?  These /are/ vulnerabilities in the program and 
need to be considered security issues.

R.
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