bugtraq - Re: [WEB SECURITY] Firefox extensions go Evil - Critical Vulnerabilities in Firefox/Firebug

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Message-ID: <46143A87.8080804@cruzio.com>
Date: Wed, 04 Apr 2007 16:53:43 -0700
From: Daniel Veditz <dveditz@...zio.com>
To: "pdp (architect)" <pdp.gnucitizen@...glemail.com>
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	WASC Forum <websecurity@...appsec.org>,
	"webappsec @OWASP" <webappsec@...ts.owasp.org>
Subject: Re: [WEB SECURITY] Firefox extensions go Evil - Critical Vulnerabilities
 in Firefox/Firebug

pdp (architect) wrote:
> http://www.gnucitizen.org/blog/firebug-goes-evil
> 
> There is critical vulnerability in Firefox/Firebug which allows
> attackers to inject code inside the browser chrome.

Good find.

> I recommend to disable Firebug for now until the issue is fixed.

Firebug 1.03 is now available and fixes this vulnerability.
https://addons.mozilla.org/en-US/firefox/addon/1843

Firebug is disabled by default and is probably best left that way. It can
be easily enabled per-site when you're actively developing or hacking.

-Dan Veditz