Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Wed, 21 Dec 2016 12:07:39 -0800
From: Seth Arnold <>
To: tapper <>
Subject: Re: Curious about the security of my router fermwair.

On Wed, Dec 21, 2016 at 11:39:26AM +0000, tapper wrote:
> 	Hi my name is Jonathan. I don't know if this is the write place to ask
> about this but here gos.

It's not the usual use of this list but I suspect you won't upset many
people either.

> I would like to know if any one would like to have a poke around at the
> third party router firmware I use on my router called Gargoyle.

The first item I found in about one minute of inspection is that they
include an utterly ancient version of ffmpeg:



The 2.4 branch of ffmpeg ended with version 2.4.13 on 2016-02-02. Not
only are they nine point releases behind, they are also drastically
behind on shipping newer versions entirely. (The latest version upstream
is numbered 3.2.2. That's seven minor versions behind, too.) Granted,
new versions bring new bugs, but picking one point in time two years
ago and then never updating is trouble.

I didn't spot any security fixes for ffmpeg in the patches-generic or
patches-old directories, but perhaps they just weren't clearly labeled.

Another concerning point is the use of md5 to validate the download. While
use of md5 as a 'better crc32' is well established, most cryptographic
authorities are saying it's time to replace md5's replacement, sha-1.
They're two hash functions behind the times.

A full review would take far more time than I have to offer but the
initial impression is that it needs a serious refresh of its dependencies.


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