A week in security (June 27 – July 3)

Last week on Malwarebytes Labs: Ransomware review: June 2022 AstraLocker 2.0 ransomware isn’t going to give you your files back YTStealer targets YouTube content creators ZuoRAT is a sophisticated malware that mainly targets SOHO routers Amazon Photos vulnerability could have given attackers acce...

Forced Chrome extensions get removed, keep reappearing

In the continued saga of annoying search extensions we have a new end-of-level boss. Victims have been reporting browser extensions that were removed by Malwarebytes, but “magically” came back later. Since the victims also complained about the message saying their browser was "managed", we had a...

The vulnerability in the implementation of Google Chrome’s browser extensions allows a perpetrator to disclose protected information.

The vulnerability in the implementation of Google Chrome’s browser extensions is related to errors in the implementation of security checks for standard elements. Exploiting this vulnerability can allow a malicious actor, operating remotely, to disclose sensitive information through a specially...

ChromeLoader targets Chrome Browser users with malicious ISO files

If you’re on the hunt for cracked software or games, be warned. Rogue ISO archive files are looking to infect your systems with ChromeLoader. If you think campaigns such as this only target Windows users, you’d sadly be very much mistaken. The attack sucks in several operating systems and even us...

The vulnerability of the Extensions API for Microsoft Edge and Google Chrome browsers allows a malicious actor to disclose protected information or cause the program to terminate abnormally.

The vulnerability of the Extensions API for Microsoft Edge and Google Chrome is related to improperly implemented security checks for standard elements. Exploiting this vulnerability can allow a malicious actor to disclose sensitive information or cause the program to terminate abnormally...

The vulnerability of the Extensions component in Google Chrome and Microsoft Edge browsers allows a perpetrator to gain unauthorized access to protected information or cause service failures.

The vulnerability of the Extensions component in Google Chrome and Microsoft Edge is related to improperly implemented security checks for standard elements. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information or cause a...

CVE-2022-0465

Use after free in Extensions in Google Chrome prior to 98.0.4758.80 allowed a remote attacker to potentially exploit heap corruption via user interaction...

DEBIAN-CVE-2022-0465

Use after free in Extensions in Google Chrome prior to 98.0.4758.80 allowed a remote attacker to potentially exploit heap corruption via user interaction...

UBUNTU-CVE-2022-0465

Use after free in Extensions in Google Chrome prior to 98.0.4758.80 allowed a remote attacker to potentially exploit heap corruption via user interaction...

UBUNTU-CVE-2022-0466

Inappropriate implementation in Extensions Platform in Google Chrome prior to 98.0.4758.80 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page...

The vulnerability of the Microsoft Edge and Google Chrome browser extensions allows a perpetrator to execute arbitrary code or cause a service failure.

The vulnerability of the Extensions component in Microsoft Edge and Google Chrome relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code or cause a service failure through a specially created malicious web page...

The vulnerability of Google Chrome’s browser extensions allows a perpetrator to access confidential information.

The vulnerability of Google Chrome’s browser extensions relates to the use of memory after deallocation. Exploiting this vulnerability could allow an attacker to gain access to confidential information through a specially created web page...

Chaes Banking Trojan Hijacks Chrome Browser with Malicious Extensions

A financially-motivated malware campaign has compromised over 800 WordPress websites to deliver a banking trojan dubbed Chaes targeting Brazilian customers of Banco do Brasil, Loja Integrada, Mercado Bitcoin, Mercado Livre, and Mercado Pago. First documented by Cybereason in November 2020, the...

CVE-2021-4055

Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension...

DEBIAN-CVE-2021-4055

Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension...

UBUNTU-CVE-2021-4055

Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension...

Malvertising attack distributes malicious Chrome extensions, backdoors

By Waqas Researchers believe that the campaign has been active since 2018, and since then, the malware has been under development constantly. Cisco Talos researchers have identified malvertising campaigns using fake installers of popular games and applications, such as WeChat, Viber, Battlefield,...

New Malvertising Campaigns Spreading Backdoors, Malicious Chrome Extensions

A series of malicious campaigns have been leveraging fake installers of popular apps and games such as Viber, WeChat, NoxPlayer, and Battlefield as a lure to trick users into downloading a new backdoor and an undocumented malicious Google Chrome extension with the goal of stealing credentials and...

The vulnerability of the Google Chrome web browser’s Extensions relates to the use of memory after it is released. This allows a malicious actor to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of Google Chrome’s browser Extensions relates to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to gain access to confidential data, compromise its integrity, and even cause service interruptions through a specially created HTML page...

DEBIAN-CVE-2021-30601

Use after free in Extensions API in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page...