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Date: Thu, 13 Dec 2012 14:31:26 +0100
From: Andreas Ericsson <ae@....se>
To: oss-security@...ts.openwall.com
CC: Matthew Brush <mbrush@...ebrainz.ca>,
Eitan Adler <lists@...anadler.com>,
"Steven M. Christey" <coley@...us.mitre.org>,
Nick Treleaven <nick.treleaven@...nternet.com>,
Colomban Wendling <lists.ban@...besfolles.org>,
Enrico Troeger <enrico.troeger@...na.de>,
Frank Lanitz <frank@...nk.uvena.de>, josef@...icpanda.com,
jonathan.underwood@...il.com
Subject: Re: Geany IDE not escaping filenames during compilation
/ build - a security issue or not?
On 12/13/2012 07:50 AM, Matthew Brush wrote:
> On 12-12-12 09:54 PM, Eitan Adler wrote:
>> On 12 December 2012 11:51, Jan Lieskovsky <jlieskov@...hat.com>
>> wrote:
>>> The questions: 1) should Geany escape the filenames?,
>>
>> Up to the maintainers.
>>
>>> 2) is this a security issue or not?
>>
>> Unlikely. Is there a way a malicious document could cause code
>> execution without user action?
>>
>
> If I understand correctly, if someone messed with the user's
> configuration directory where the "geany.conf" file is stored, and
> they modified the "recent files" stored in there that Geany opens
> automatically on next startup, then assuming that it doesn't choke on
> the weird filename and that the user didn't notice the weird filename
> in several places in the GUI, they could technically blindly activate
> a build command, causing the malicious filename/command to run.
>
If someone has access to modify a users home directory, it's safe to
assume that they can execute commands as that user. It's like saying
"if someone gains root access to your system, they can replace your
binaries with trojan kits that open them up to remote root access".
It's not really a security issue if you can gain access you already
have.
--
Andreas Ericsson andreas.ericsson@....se
OP5 AB www.op5.se
Tel: +46 8-230225 Fax: +46 8-230231
Considering the successes of the wars on alcohol, poverty, drugs and
terror, I think we should give some serious thought to declaring war
on peace.
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