Evernote security flaw could have exposed data of millions of users

By June 13, 2019 No Comments

Safety researchers have came upon a vital flaw within the Evernote Internet Clipper Chrome extension which might permit possible attackers to get right of entry to a customers’ private knowledge from 1/3 occasion services and products on-line.

The vulnerability, a Common Pass-site Scripting (UXSS) known as CVE-2019-12592, used to be came upon through the safety corporate Guardio as a part of its ongoing safety research efforts the use of a mixture of its personal inner generation and researchers.

After the invention, the company in an instant disclosed the vulnerability to Evernote and the be aware taking provider briefly rolled out a whole repair in not up to per week.

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Alternatively, because of the Evernote’s in style reputation, the problem will have probably affected the 4.6m customers and companies that use its Chrome extension.

Internet Clipper extension

Sooner than Evernote fastened the problem, the logical coding error within the Internet Clipper extension will have allowed an attacker to circumvent Chrome’s similar starting place coverage which might have granted them code execution privileges in Iframes on different web site’s but even so Evernote.


With out Chrome’s domain-isolation mechanisms, code might be performed that might permit an attacker to accomplish movements at the person’s behalf in addition to grant get right of entry to to delicate person knowledge on affected third-party internet pages and services and products together with authentication, monetary main points, social media conversations, private emails and extra.

Guardio’s CTO Michael Vainshtein defined why browser extensions want to be scrutinized completely, pronouncing:

“The vulnerability we came upon is a testomony to the significance of scrutinizing browser extensions with further care. Folks want to bear in mind that even essentially the most relied on extensions can include a pathway for attackers. All it takes is a unmarried unsafe extension to compromise the rest you do or retailer on-line. The ripple impact is fast and intense.” 

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By means of Bleeping Pc