Security Market Segment LS
Tuesday, 09 June 2020 11:36

Researcher publishes code for exploiting wormable Windows SMBv3 flaw Featured

By
Researcher publishes code for exploiting wormable Windows SMBv3 flaw Image by Eukalyptus from Pixabay

A researcher has released exploit code for taking advantage of a vulnerability in Microsoft's implementation of the server message block protocol in Windows, a flaw that was described as SMBGhost at the time it became known.

Refining the code could yield an exploit similar to WannaCry that can spread and cause havoc on its own.

The vulnerability was announced by security firms Fortinet and Cisco on 10 March, apparently after a leak from Microsoft, and then pulled from the Web. That was the day Microsoft was expected to release its normal load of security advisories.

Two days later, with no explanation, Microsoft issued a patch that it said would plug the hole.

The remote exploit was released on GitHub which, rather ironically, is owned by Microsoft itself. The researcher who goes by the handle chompie1337 cautioned that his/her code was for demonstration purposes only.

"Seriously. This has not been tested outside of my lab environment. It was written quickly and needs some work to be more reliable," the researcher wrote.

"Sometimes you BSOD [blue screen of death, which is seen when a screen dump takes place on Windows]. Using this for any purpose other than self-education is an extremely bad idea. Your computer will burst in flames. Puppies will die."

The vulnerability, CVE-2020-0796, is described by Microsoft as a SMBv3 Client/Server remote code execution vulnerability.

It is present in Windows 10 versions 1903 and 1909 and in Windows Server versions 1903 and 1909, all recent iterations of the operating system.


Subscribe to ITWIRE UPDATE Newsletter here

GRAND OPENING OF THE ITWIRE SHOP

The much awaited iTWire Shop is now open to our readers.

Visit the iTWire Shop, a leading destination for stylish accessories, gear & gadgets, lifestyle products and everyday portable office essentials, drones, zoom lenses for smartphones, software and online training.

PLUS Big Brands include: Apple, Lenovo, LG, Samsung, Sennheiser and many more.

Products available for any country.

We hope you enjoy and find value in the much anticipated iTWire Shop.

ENTER THE SHOP NOW!

INTRODUCING ITWIRE TV

iTWire TV offers a unique value to the Tech Sector by providing a range of video interviews, news, views and reviews, and also provides the opportunity for vendors to promote your company and your marketing messages.

We work with you to develop the message and conduct the interview or product review in a safe and collaborative way. Unlike other Tech YouTube channels, we create a story around your message and post that on the homepage of ITWire, linking to your message.

In addition, your interview post message can be displayed in up to 7 different post displays on our the iTWire.com site to drive traffic and readers to your video content and downloads. This can be a significant Lead Generation opportunity for your business.

We also provide 3 videos in one recording/sitting if you require so that you have a series of videos to promote to your customers. Your sales team can add your emails to sales collateral and to the footer of their sales and marketing emails.

See the latest in Tech News, Views, Interviews, Reviews, Product Promos and Events. Plus funny videos from our readers and customers.

SEE WHAT'S ON ITWIRE TV NOW!

BACK TO HOME PAGE
Sam Varghese

Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

Share News tips for the iTWire Journalists? Your tip will be anonymous

WEBINARS ONLINE & ON-DEMAND

GUEST ARTICLES

VENDOR NEWS

Guest Opinion

Guest Interviews

Guest Reviews

Guest Research

Guest Research & Case Studies

Channel News

Comments