[Proof Of Concept] Why You Should NEVER Store Cookies On A FirefoxPortable Installation

By | 12.07.2019

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What is that strange, evil blue being in the NoScript logo? Can GreaseMonkey work with NoScript? Yes, it can. Some GreaseMonkey user scripts just work only on pages where JavaScript is allowed, but most of them will work anyway.
[Proof of concept] Why you should NEVER store cookies on a FirefoxPortable installation

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What is that strange, evil blue being in the NoScript logo? Can GreaseMonkey work with NoScript? Yes, it can. Some GreaseMonkey user scripts just work only on pages where JavaScript is allowed, but most of them will work anyway.

For instance, if you’re a Mozillazine forum user, you may want to install the GreaseMonkey script featured in this FAQ , making your life easier if you prefer to keep JavaScript off on message boards wise choice, BTW. Can FlashBlock work with NoScript?

FlashBlock will work on pages where JavaScript is allowed. This is a Firefox limitation, and there’s an open bug about it, but it’s unlikely it will be fixed any time soon, because of its security implications. Obviously enough, it would be more useful blocking Flash on sites you don’t trust. Good news: Can adblockers work with NoScript?

Even if NoScript does block many advertisements as a side effect, its main focus is on security, hence it misses some fine-grained controls over ads delivery which you can find in proper adblocking products. On the other hand, NoScript provides unique protection features against Web-based attacks, such as XSS or Clickjacking, and a high level of reliability, which are not available in adblockers.

You can use them together for a secure and quiet browsing. What websites are in the default whitelist and why?

If you’re a security-minded user, you probably want to build your own customized whitelist suiting your needs and keep it as short as you can. Therefore, when you install NoScript for the first time, you’ve got a very short default whitelist of sites you can trust: It can’t be removed because it is the privileged pseudo-protocol used by Firefox internal scripts: A bunch of internal pseudo URLs.

They can’t be removed because they help your browser to work as expected. Internal pseudo URLs identifying content generated by a script. They can’t be removed because if you have these on a page, you already allowed the script generating them, so no point treating them separately. You probably installed NoScript and any other extension you’ve got from there.

Also, they are the same people who made your browser – you trust these guys, don’t you? This way, even if some users installs NoScript without understanding what they’re doing, and they’ve got no idea about how NoScript works, they can still ask for help by email. Obviously, if any of the entries above except chrome: What is that weird sound that I hear when I open a web page? I believe it’s a wise suggestion, since I’ve heard of people who installed NoScript and after that were surprised to find some sites not working anymore: You must not disable JavaScript in Firefox!

On Firefox 24 or above this is a hidden about: You don’t need to: Why can I sometimes see about: What scripts are causing this? A script can “live” there only if it has been injected with document. It usually happens when a master page creates or statically contains an empty sub-frame automatically addressed as about: Hence, if the master page is not allowed, no script can be placed inside the about: Given the above, risks in keeping about: Moreover, some Firefox extensions need it to be allowed for scripting in order to work.

Sometimes, especially on partially allowed sites, you may see also a wyciwyg: If you can see such an entry, you already allowed the script generating it, hence the above about: JavaScript , Java and Flash , even being very different technologies, do have one thing in common: All the three implement some kind of sandbox model, limiting the activities remote code can perform: Even if the sandboxes were bullet proof not the case, read below and even if you or your operating system wrap the whole browser with another sandbox e.

This alone is enough reason to allow scripting on trusted sites only. Moreover, many security exploits are aimed to achieve a “privilege escalation”, i. This kind of attack can target JavaScript, Java, Flash and other plugins as well: JavaScript looks like a very precious tool for bad guys: Maybe the reason is that scripts are easier to test and search for holes, even if you’re a newbie hacker: Anyway, the Java security model allows signed applets applets whose integrity and origin are guaranteed by a digital certificate to run with local privileges, i.

You DON’T want to execute it! Are you so mad to execute it, instead? Flash used to be considered relatively safe, but since its usage became so widespread severe security flaws have been found at higher rate.

Flash applets have also been exploited to launch XSS attacks against the sites where they’re hosted. Other plugins are harder to exploit, because most of them don’t host a virtual machine like Java and Flash do, but they can still expose holes like buffer overruns that may execute arbitrary code when fed with a specially crafted content. Recently we have seen several of these plugin vulnerabilities , affecting Acrobat Reader, Quicktime, RealPlayer and other multimedia helpers.

What is a trusted site? A “trusted site” is a site whose owner is well identifiable and reachable, so I have someone to sue if he hosts malicious code which damages or steals my data. If some content is annoying, I can disable it with AdBlock. What I’d like to stress here is that “trust” is not necessarily a technical matter. I worked around this bug writing an ad hoc bookmarklet, but I’m not sure the average Joe user could.

So, should I trust their mediocre programmers for my security? Anyway, if something nasty happens with my online bank account because it’s unsafe, I’ll sue them to death or better, I’ll let the world know until they refund me. So you may say “trustworthy” means “accountable”. Starting with version 1. You can access this service by middle-clicking or shift-clicking the relevant menu item.

If you’re more on the technical side and you want to examine the JavaScript source code before allowing, you can help yourself with JSView unofficial. Also, if you seek for assistance in the NoScript forum and you want to report the sites listed in your menu, you can easily do it, with no need for typing them, by just right-clicking one item or the menu itself: Will I get infected as well because I’ve got it in my whitelist, ending to sue as you said?

No, you won’t, most probably. When a respectable site gets compromised , Since NoScript blocks 3rd party scripts which have not been explicitly whitelisted themselves, you’re still safe, with the additional benefit of an early warning: Even if you trust JavaScript to be enabled everywhere and you shouldn’t , you can still use NoScript as an effective annoyance blocker.

To setup this “Annoyance Block” mode, you just need to: Check NoScript Options General Temporarily allow top-level sites by default and select 2nd level domain Check the NoScript Options Embeddings Apply these restrictions to trusted sites as well preference This way, the main address of each site you visit will be temporarily allowed to run JavaScript you may still need to check 3rd party scripts, but they’re usually ads and tracking stuff , while the content blocking restrictions you setup for untrusted sites NoScript Options Advanced Embeddings will be applied everywhere.

Notice that this setup, even if useful in blocking annoyances and still safer than vanilla Firefox, is considerably weaker from a security standpoint than the default NoScript configuration. What do the different NoScript icons mean? Even if some of the 3rd party script sources imported by the page may be in your whitelist, no code could run because the hosting documents are not enabled.

This happens when there are multiple frames, or script elements linking code hosted on 3rd party hosts. Since they’re often unnecessary, the site is likely to work even in this “partially allowed” state. Furthermore, in most cases when a site is compromised with JavaScript malware, the malicious code is hosted on external “shady” sites. Even if you’ve previously allowed the top-level site, these external sites are still blocked and the attack fails anyway.

You can check and allow the blocked content either by looking for yellow visual placeholders in the page or by examining the Blocked Objects sub-menu. If the “S” inside the icon is white rather than blue , 0 script tags have been detected: What is the license of NoScript and its source code? NoScript’s public code repository is hosted on Github. How do I install NoScript? Go to this page and follow the instructions. Should it not work, with a message about installation not permitted or disabled, follow these steps: If you’re trying to install NoScript 5.

If you’re using a non-ESR Firefox, you may also need this hack. So I’ve downloaded this XPI thing. I’ve never seen such a file type! What the hell am I supposed to do with this kind of file? Just drag and drop this file onto your browser window. If it doesn’t work, select the Tools Add-Ons Manager menu item: How can I uninstall NoScript? Well, this is not exactly a frequently asked question, but nevertheless someone very few actually wondered about it If you just prefer to restore Firefox’s default less safe behavior of allowing JavaScript and plugins by default, but you’d like to retain Anti-XSS protection and the ability to selectively blacklist sites, you can just click the NoScript icon and select “Allow Scripts Globally dangerous ” command.

But if, for some imperscrutable reason, you really want to uninstall, you can proceed as follows:

Connecting to the Internet

In this new and updated guide, we’ll cover all aspects of browser . from the Tor Uplift project that isolates cookies to the first party domain. I like this option because it can save lots of time with setup and is .. A good website to check for proof of concept is Device Info .. Firefox Portable looks interesting. Here I’ll be giving a tour of a number of lesser-advertised security Keep Adobe products updated and don’t run your system as generated by Acrobat were part of how one proof-of-concept exploit One possible workaround is to use a non- installed version of Firefox such as Mozilla Firefox Portable. Learn what they are, and check out our pick for 15 of the best portable a portable app, which is software that can run on a computer without being installed. the web, checking emails, or anything else you might need to do. Mozilla Firefox Portable is identical in function to its non-portable alternative.

About This Manual

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REVIEW: Access denied downloading google drive files

6 days ago Help and information on why you may not be able to save a file on and why you might be Google plans to remove online certificate revocation is also with Cookies and other site data, Cached images and files and Content .. In that case, you can install a web browser like Firefox portable on a USB drive. I will be posting “Tweets” and links in our Facebook wall for faster . Delete the Installer Files (NOT the folders). on city.aura24.ru (You are then prompted whether or not to store the Honeynet Project have released a proof of concept (PoC) to detect the Privacy & Cookies: This site uses cookies. When you run Opera Portable on other machines, your settings will be applied again. Opera is usually not installed, and you are forced to bear with IE or Firefox that .. But please don’t store a lot of mail and feeds, since it will take longer time to repack. I promised that I’ll post a proof of concept soon.

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