A web browser is an application which uses http and related protocols to retrieve HTML and XML data from servers. As the web has become a critical source of information and communication, web browsers have become a critical component in information request, transfer, and management.

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6
votes
2answers
526 views

Firefox Add-ons not using HTTPS? Security bug. (?)

If I add a rule in Privoxy: echo '{ +redirect{s@http://@https://@} } .mozilla.org' >> /etc/privoxy/user.action then I can't install Firefox Add-ons. Why? I though the Firefox Add-ons ...
6
votes
4answers
421 views

What abuses can an infected webpage do to me if I'm using Chrome and Flash is disabled

as a follow-up to this question Can you get virus just by visiting a website in chrome., I've read these pages: http://www.straightsectalk.com/?p=47 ...
5
votes
7answers
380 views

Malicious Websites

Just wanted to get everyone's opinion on this. In Information Security, you get various alerts about particular machines on your network going to sites and/or IPs that have been flagged as ...
6
votes
1answer
626 views

Access to other local files from a local HTML file

I tried this question on programmers site with no luck Do you see any reason to block a local html file from accessing another local files located in the same folder? I mean, if a user downloaded an ...
14
votes
4answers
978 views

How are browser saved passwords vulnerable?

Most browsers offer to save the password after entering it on many logon pages. What types of vulnerabilities are there for such saved passwords. I'm interested in what ways malware on web pages ...
6
votes
4answers
373 views

Is flash or javascript a bigger security concern?

Many flash website whitelisting extensions for chrome (such as flashblock and flashcontrol) use javascript in order to selectively block Adobe Flash from functioning. Thus, In order to get this ...
2
votes
1answer
281 views

How to tell if Firefox Home (iOS) is using Data Protection API?

The source code is here: http://mxr.mozilla.org/services-central/source/fx-home/ What should I be looking/search for? Or even how to extract /ffhomeDB.sq3 and see what it contains.
8
votes
2answers
1k views

MIME sniffing protection

As it is known, older versions of MSIE (before 8) have a nasty habit of treating images as HTML if they "look like" HTML, which can lead to nasty vulnerabilities for sites that allow people to upload ...
5
votes
3answers
373 views

Is Content Security Policy an approach that is worth to support?

Mozilla Firefox 4.0 supports something called Content Security Policy that disables the interpretation of embedded Java Script. Only external Java Script files that are referenced using a script tag ...
0
votes
2answers
351 views

What browser plugins (ActiveX, or those for Chrome/Firefox/Safari etc) pose the most risk for your company?

I'm looking for a list of risky browser plugins that we should prevent their use on the desktop. It's probably safe to assume that old versions of Flash are on the list, but what versions? What ...
3
votes
2answers
325 views

Protecting websites from outdated browsers and plugins via a whitelist/blacklist combination?

Aside from using browser headers, I want to blacklist/whitelist browser and plugins from my site so that I can prevent these older unpatched systems from (1) being a general user of my site (2) ...
5
votes
1answer
206 views

How much protection does the Kill-Bit provide for ActiveX controls?

I have some ActiveX controls that are not supposed to run in the browser but only in my particular Front-End. I know that by setting the Kill-Bit I disable their execution in Internet Explorer and MS ...
5
votes
2answers
334 views

What protects cookies?

What protects cookies from being stolen? After all, they are just text files. A misbehaving browser can give up a lot more information that web masters would like. How do I know that a browser won't ...
8
votes
1answer
404 views

What steps do you take to keep both your computer and internet browsing secure?

I am thinking about your browser setup, antivirus protection, vpn, browsing best-practices and so on.
7
votes
4answers
361 views

How big is the risk, to enable scripting in the Web browser?

While browsing the web, many websites executes scripts (mainly javascript) that are executed without the user noticing. How big is the risk, to get Malware unnoticed while surfing with scripting ...
8
votes
1answer
534 views

Are browser still vulnerable to Cross-Site Cooking?

The latest article that I have been able to find about Cross-Site cooking was stating that it was possible to set cookie on 2 dots top level domain such as .co.uk. The mechanism for preventing ...