Emergency Chrome Update Released to Patch Actively Exploited Zero-Day Bug

Google has announced an emergency update for Chrome (94.0.4606.61), and in this update, it has addressed Chrome’s 11th ‘zero days’ exploit of the year. 

In this emergency update, Google has tracked the zero-day vulnerability as CVE-2021-37973 with High severity and this zero-day vulnerability attacks the users of the following platforms:-

  • Linux
  • macOS
  • Windows

This vulnerability was being used after free in Portals API, and there is a web page navigation system in this vulnerability, that allows a page to display another page as an inset.

Not only this but it also performs a seamless transition to a new state, and in that its formerly-inset pages convert into the top-level document. After knowing about the vulnerability, the Chrome-introduced some update that has been spreading all over the world to Stable desktop channel.

Eleventh zero-day

Google has announced this emergency update after detecting the vulnerability “CVE-2021-37973,” and they have also patched this 11th zero-day vulnerability in the Chrome web browser.

Here’s the list of all zero-day vulnerabilities detected this year:-

  • CVE-2021-21148 – February 4th, 2021
  • CVE-2021-21166 – March 2nd, 2021
  • CVE-2021-21193 – March 12th, 2021
  • CVE-2021-21220 – April 13th, 2021
  • CVE-2021-21224 – April 20th, 2021
  • CVE-2021-30551 – June 9th, 2021
  • CVE-2021-30554 – June 17th, 2021
  • CVE-2021-30563 – July 15th, 2021
  • CVE-2021-30632 – September 13th, 2021
  • CVE-2021-30633 – September 13th, 2021

No key Details were Unveiled regarding Ongoing Attacks

Moreover, Clément Lecigne from Google TAG, with the help of Sergei Glazunov and Mark Brand from Google Project Zero has stated that the zero-day security flaw that has been fixed now was initially published the day when the first Google Chrome 94 stable was released. 

After investigating the whole attack, they claimed that the exploitation of this vulnerability allows the threat actors to implement arbitrary code on computers running unpatched Chrome versions.

However, Google has gone through the details carefully, and they conclude that the vulnerability has been discovered in the wild attacks exploiting CVE-2021-37973.

But they have not yet unveiled any key details of this attack or any steps that were used by the threat actors. 

While the threat actors are attacking Chrome, since it is used by nearly 2.65 billion users all over the world, and many users are connected through it, which makes it is a huge lucrative target for the threat actors to initiate attacks.

Found this article interesting!! Follow us on LinkedinTwitter,  Facebook for daily Cyber Security News & Updates

Balaji

BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Recent Posts

LightSpy iOS Malware Enhanced with 28 New Destructive Plugins

The LightSpy threat actor exploited publicly available vulnerabilities and jailbreak kits to compromise iOS devices.…

1 day ago

ATPC Cyber Forum to Focus on Next Generation Cybersecurity and Artificial Intelligence Issues

White House National Cyber Director, CEOs, Key Financial Services Companies, Congressional and Executive Branch Experts…

3 days ago

New PySilon RAT Abusing Discord Platform to Maintain Persistence

Cybersecurity experts have identified a new Remote Access Trojan (RAT) named PySilon. This Trojan exploits…

4 days ago

Konni APT Hackers Attacking Organizations with New Spear-Phishing Tactics

The notorious Konni Advanced Persistent Threat (APT) group has intensified its cyber assault on organizations…

4 days ago

Google Chrome Security, Critical Vulnerabilities Patched

Google has updated its Chrome browser, addressing critical vulnerabilities that posed potential risks to millions…

4 days ago

Notorious WrnRAT Delivered Mimic As Gambling Games

WrnRAT is a new malware attack that cybercriminals have deployed by using popular gambling games…

4 days ago