Firefox extension blocks dangerous Web attack

A popular security tool for the Firefox browser has been upgraded to block one of the most dangerous and troubling security problems facing the Web today.

A popular free security tool for the Firefox browser has been upgraded to block one of the most dangerous and troubling security problems facing the Web today.

NoScript is a small application that integrates into Firefox. It blocks scripts in programming languages such as JavaScript and Java from executing on untrusted Web pages. The scripts could be used to launch an attack on a PC.

The latest release of NoScript, version 1.8.2.1, will stop so-called "clickjacking," where a person browsing the Web clicks on a malicious, invisible link without realizing it, said Giorgio Maone, an Italian security researcher who wrote and maintains the program.

Clickjacking has been known for several years but is drawing attention again after two security researchers, Robert Hansen and Jeremiah Grossman, warned last month of new scenarios that could compromise a person's privacy or even worse, steal money from a bank account.

Unfortunately, clickjacking is possible due to a fundamental design feature in HTML that allows Web sites to embed content from other Web pages, Maone said. Nearly all Web browsers are vulnerable to a clickjacking attack.

"It's a very hard thing to fix because it's part of the very fabric of the Web and the browser," Maone said.

The embedded content can be invisible but a person can still unknowingly interact with it. A clickjacking attack takes advantage of that by tricking a user into clicking on a button that appears to do some function but actually does something entirely different.

Clickjacking can also be accomplished by manipulating the plug-ins of other applications, such as Adobe's Flash program and Microsoft's Silverlight. For example, researchers in recent days have shown it's possible for a clickjacking attack to turn on a person's Web camera and microphone without their knowledge.

In an advisory on Tuesday, Adobe said it will issue a patch for Flash by the end of the month.

Join the Good Gear Guide newsletter!

Error: Please check your email address.

Tags firefox add-onclickjacking

Our Back to Business guide highlights the best products for you to boost your productivity at home, on the road, at the office, or in the classroom.

Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Jeremy Kirk

IDG News Service
Show Comments

Essentials

Microsoft L5V-00027 Sculpt Ergonomic Keyboard Desktop

Learn more >

Lexar® JumpDrive® S57 USB 3.0 flash drive

Learn more >

Mobile

Lexar® JumpDrive® S45 USB 3.0 flash drive 

Learn more >

Exec

Lexar® JumpDrive® C20c USB Type-C flash drive 

Learn more >

Lexar® Professional 1800x microSDHC™/microSDXC™ UHS-II cards 

Learn more >

Audio-Technica ATH-ANC70 Noise Cancelling Headphones

Learn more >

HD Pan/Tilt Wi-Fi Camera with Night Vision NC450

Learn more >

Budget

Back To Business Guide

Click for more ›

Most Popular Reviews

Latest News Articles

Resources

PCW Evaluation Team

Azadeh Williams

HP OfficeJet Pro 8730

A smarter way to print for busy small business owners, combining speedy printing with scanning and copying, making it easier to produce high quality documents and images at a touch of a button.

Andrew Grant

HP OfficeJet Pro 8730

I've had a multifunction printer in the office going on 10 years now. It was a neat bit of kit back in the day -- print, copy, scan, fax -- when printing over WiFi felt a bit like magic. It’s seen better days though and an upgrade’s well overdue. This HP OfficeJet Pro 8730 looks like it ticks all the same boxes: print, copy, scan, and fax. (Really? Does anyone fax anything any more? I guess it's good to know the facility’s there, just in case.) Printing over WiFi is more-or- less standard these days.

Ed Dawson

HP OfficeJet Pro 8730

As a freelance writer who is always on the go, I like my technology to be both efficient and effective so I can do my job well. The HP OfficeJet Pro 8730 Inkjet Printer ticks all the boxes in terms of form factor, performance and user interface.

Michael Hargreaves

Windows 10 for Business / Dell XPS 13

I’d happily recommend this touchscreen laptop and Windows 10 as a great way to get serious work done at a desk or on the road.

Aysha Strobbe

Windows 10 / HP Spectre x360

Ultimately, I think the Windows 10 environment is excellent for me as it caters for so many different uses. The inclusion of the Xbox app is also great for when you need some downtime too!

Mark Escubio

Windows 10 / Lenovo Yoga 910

For me, the Xbox Play Anywhere is a great new feature as it allows you to play your current Xbox games with higher resolutions and better graphics without forking out extra cash for another copy. Although available titles are still scarce, but I’m sure it will grow in time.

Featured Content

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?