Researchers warn of IE6 zero-day bug

IE7, the current version of Microsoft's browser, does not contain the vulnerability

Security researchers are warning users about an unpatched cross-site scripting bug in Internet Explorer 6 (IE6) that could be used by hackers to capture keystrokes and steal other information.

The vulnerability appears to be a variation of a vulnerability first discussed by researchers Manuel Caballero and Fukami at Microsoft's on-site BlueHat security conference early last month, Yichong Lin, an analyst at McAfee, said in an entry to the company's blog.

At BlueHat, Caballero, who has worked for Microsoft as an independent penetration tester, said he had found a way to capture every browser action, including keystrokes used to type passwords. In a videotaped interview that Microsoft conducted during BlueHat, Caballero said that the combination of Flash and any browser, not just IE, could be hacked with a malicious script to give attackers full access to the browser.

Details of the recent variant, as well as proof-of-concept code, were posted to a Chinese-language security e-zine by a group calling itself "Ph4nt0m Security Team," according to another alert issued by the Danish vulnerability tracking firm Secunia.

Secunia outlined the threat: "The vulnerability is caused due to an input validation error when handling the 'location' or 'location.href' property of a window object. This can be exploited by a malicious website to open a trusted site and execute arbitrary script code in a user's browser session in context of the trusted site."

IE7, the current version of Microsoft's browser, does not contain the vulnerability, both Secunia and McAfee said. Until Microsoft produces a patch for the older browser, users should update to IE7, they added.

Yichong of McAfee said that the security company had notified Microsoft about the vulnerability. Microsoft representatives, however, did not immediately reply to a request for confirmation and additional comment.

Join the newsletter!

Error: Please check your email address.
Rocket to Success - Your 10 Tips for Smarter ERP System Selection
Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Gregg Keizer

Computerworld
Show Comments

Most Popular Reviews

Latest Articles

Resources

PCW Evaluation Team

Ben Ramsden

Sharp PN-40TC1 Huddle Board

Brainstorming, innovation, problem solving, and negotiation have all become much more productive and valuable if people can easily collaborate in real time with minimal friction.

Sarah Ieroianni

Brother QL-820NWB Professional Label Printer

The print quality also does not disappoint, it’s clear, bold, doesn’t smudge and the text is perfectly sized.

Ratchada Dunn

Sharp PN-40TC1 Huddle Board

The Huddle Board’s built in program; Sharp Touch Viewing software allows us to easily manipulate and edit our documents (jpegs and PDFs) all at the same time on the dashboard.

George Khoury

Sharp PN-40TC1 Huddle Board

The biggest perks for me would be that it comes with easy to use and comprehensive programs that make the collaboration process a whole lot more intuitive and organic

David Coyle

Brother PocketJet PJ-773 A4 Portable Thermal Printer

I rate the printer as a 5 out of 5 stars as it has been able to fit seamlessly into my busy and mobile lifestyle.

Kurt Hegetschweiler

Brother PocketJet PJ-773 A4 Portable Thermal Printer

It’s perfect for mobile workers. Just take it out — it’s small enough to sit anywhere — turn it on, load a sheet of paper, and start printing.

Featured Content

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?