Re: NSTask Leaking...
Re: NSTask Leaking...
- Subject: Re: NSTask Leaking...
- From: "Mr. Gecko" <email@hidden>
- Date: Thu, 29 Jan 2009 16:06:27 -0600
but for an example, How would I implement it? is there any example
applications out there?
On Jan 29, 2009, at 3:35 PM, Jean-Daniel Dupas wrote:
Le 29 janv. 09 à 22:20, Jeremy Pereira a écrit :
On 29 Jan 2009, at 19:33, Mr. Gecko wrote:
I'm just going to use sscrypto framework for it...
If a malicious person can replace an executable with his own, he
can probably also replace a framework...
Why using a library when the libSystem provide hash functionality ?
/usr/include/CommonCrypto/CommonDigest.h
Regardless of any other problems, you've introduced a serious
weakness - a hacker just needs to temporarily change /sbin/md5 to
a shell script that cats the expected output. For that matter,
they could easily edit the binary to change the string "/sbin/
md5" to another path that does the deed (to avoid having to mess
with sbin each time)
If you are trying to write secure code, don't execute external
binaries that you have no control over and expect it to be secure.
Glenn Andreas email@hidden
<http://www.gandreas.com/> wicked fun!
JSXObjC | the easy way to unite JavaScript and Objective C
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