phc-discussions - Re: [PHC] Any "large verifiers" on the panel?

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Message-ID: <87d2vyi70f.fsf@wolfjaw.dfranke.us>
Date: Sun, 17 Feb 2013 23:24:32 -0500
From: Daniel Franke <dfoxfranke@...il.com>
To: Jeremi Gosney <epixoip@...dshell.nl>
Cc: discussions@...sword-hashing.net
Subject: Re: [PHC] Any "large verifiers" on the panel?

Jeremi Gosney <epixoip@...dshell.nl> writes:

> SQL injection, remote includes, local includes, and straight RCE flaws
> are by and large the biggest ways password hashes are compromised. More
> often than not, these vulnerabilities can be leveraged to view arbitrary
> files, or in the best case scenario, obtain a shell running under the
> context of the httpd or webapp.

If the attacker can obtain a shell under the same uid as the webapp
process and go undetected for a while, then he can ptrace the webapp and
see the passwords as they're being passed into the hashing function.