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Re: Possible widespread PHP configuration issue - security risk

Ed W
August 27, 2010 01:52PM
On 27/08/2010 18:05, Cliff Wells wrote:
> Nevertheless, I've updated the MediaWiki entry.

I'm still having problems getting to the wiki - no .js files are loading
which is causing some wierd stuff to happen.

However, my opinion is that just adding try_files is only a partial
fix. If some way is found to upload .php files (bad wikipedia config)
or some other exploit is found that can bypass the try_files then we
still have an issue.

My mediawiki config does this:

location ~ .*.php$ {
include /etc/nginx/fastcgi_params;
if ( $uri !~ "^/images/") {
fastcgi_pass localhost:9000;
}
}

Others have already pointed out that we can do better than my IF.
However, your try_files, plus the explicit exclusion of the /images/ dir
go a long way to secure mediawiki. Also I think the specific exclusion
of the /images/ dir becomes quite self-documenting, whereas the
try_files is quite a subtle fix?

Cheers

Ed W

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Subject Author Posted

Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 11:28AM

Re: Possible widespread PHP configuration issue - security risk

zuborg August 27, 2010 11:47AM

Re: Possible widespread PHP configuration issue - security risk

Jim Ohlstein August 27, 2010 11:50AM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 12:10PM

Re: Possible widespread PHP configuration issue - security risk

Jim Ohlstein August 27, 2010 12:18PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 12:30PM

Re: Possible widespread PHP configuration issue - security risk

vesperto August 27, 2010 12:36PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 12:48PM

Re: Possible widespread PHP configuration issue - security risk

Cliff Wells August 27, 2010 01:14PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 01:24PM

Re: Possible widespread PHP configuration issue - security risk

Cliff Wells August 27, 2010 01:50PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 01:54PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 01:52PM

Re: Possible widespread PHP configuration issue - security risk

ubitux August 27, 2010 01:56PM

Re: Possible widespread PHP configuration issue - security risk

Cliff Wells August 27, 2010 02:10PM

Re: Possible widespread PHP configuration issue - security risk

Cliff Wells August 27, 2010 02:16PM

Re: Possible widespread PHP configuration issue - security risk

mike August 27, 2010 02:22PM

Re: Possible widespread PHP configuration issue - security risk

Cliff Wells August 27, 2010 02:44PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 28, 2010 06:38AM

Re: Possible widespread PHP configuration issue - security risk

brianmercer August 27, 2010 12:22PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 12:26PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 12:46PM

Re: Possible widespread PHP configuration issue - security risk

brianmercer August 27, 2010 01:17PM

Re: Possible widespread PHP configuration issue - security risk

Maxim Dounin August 27, 2010 01:26PM

Re: Possible widespread PHP configuration issue - security risk

Boris Dolgov August 27, 2010 01:26PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 01:38PM

Re: Possible widespread PHP configuration issue - security risk

Ed W August 27, 2010 12:52PM

Re: Possible widespread PHP configuration issue - security risk

Raina Gustafson August 27, 2010 01:02PM

Re: Possible widespread PHP configuration issue - security risk

Ensiferous August 30, 2010 12:46PM



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