Evernote patches flaw potentially affecting 4.6 million users of Google Chrome extension

Evernote last month fixed a security flaw in a Google Chrome extension that could have allowed hackers to access information about roughly 4.6 million users, according to new research. Security vendor Guardio announced Wednesday it had discovered a vulnerability in Evernote’s Web Clipper extension for Chrome that could have allowed attackers to bypass the browser’s “same origin policy,” a security protocol meant to limit malicious scripts from spreading. Exploiting the flaw would have allowed attackers to gain privileges outside Evernote’s domain in Chrome — including access to a user’s other web content and services, researchers said. Evernote resolved the flaw within days, Guardio said, and there is no evidence the bug was exploited. Evernote did not respond to a request for comment from CyberScoop. The California company designs note-taking software that syncs and archives user files like lists, file attachments and websites between multiple devices. “Evernote was at the top of the list […]

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This tool allows you to check the code powering Chrome extensions

Browser extensions, like any other piece of software, can be abused or manipulated by hackers for malicious purposes. Duo Security wants to make it harder for that to happen. The company on Thursday released a beta version of a tool, CRXcavator, that screens extensions for Google Chrome, the world’s most popular web browser, for malicious code. “As our portal to the internet, browsers represent what is likely the largest common attack surface across consumers and businesses alike,” the Cisco-owned company said in a blog post. Extensions are handy for navigating the web, and some even offer important security features, but they can also allow third parties access a lot of user data. The new tool takes a stab at that security challenge by letting a user enter a Chrome extension and then returning a risk score for the application based on the permissions it grants on a computer. Tracking the third-party code used by an […]

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Can search extensions keep your searches private?

A lot of search extensions have been marketed over the year claiming to protect online privacy. Are they worth installing? We take a look at what these plugins actually have to offer.
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Chrome malware targets cryptocurrency, spreads through Facebook’s Messenger

Researchers with cybersecurity firm Trend Micro have uncovered a malicious extension in Google’s Chrome web browser that uses a multitude of methods to steal and mine cryptocurrency from infected users. The malware, which Trend Micro calls “FacexWorm”, makes its way onto a victim’s browser via social engineering tactics conducted through Facebook Messenger. A target would receive a link leading to a fake YouTube page that would prompt the user to install an extension in order to play the video. Once the extension is installed, it’s programmed to hijack users’ Facebook accounts and spread the link throughout their friends list. FacexWorm appears to be a Swiss Army knife of cryptocurrency-oriented malware. According to Trend Micro, the malicious extension has various capabilities: If an infected user tries logs into Google, MyMonero or Coinhive, FacexWorm will intercept the credentials. When a victim tries to go to a specified set of cryptocurrency trading platforms, […]

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