Sunday, June 16, 2024

Warning!! Firefox Fixes 2 Zero-Day Bugs That Exploited in Wide By Executing Arbitrary Code Remotely

Its time to update your Firefox Now!!

Mozilla released a security update with Firefox 74.0.1 & Firefox ESR 68.6.1 release and fixed 2 critical Zero-day vulnerabilities that actively exploited in wide as a targeted attack.

Both of the vulnerabilities are reported by Francisco Alonso and Javier Marcos, security researchers who have been worked together and reported it as Zero-day bugs.

These Critical remote code execution vulnerabilities are used as targeted attacks and actively exploited the systems that running Firefox 74.0.0 and earlier versions.

Attackers exploit these vulnerabilities and crash the Firefox running Windows, macOS and Linux operating systems.

Firefox 74.0.1

The first one is Use after free vulnerability (CVE-2020-6819) that allow the attacker to execute an arbitrary core remotely and crash the targeted system.

According to Firefox security update report “Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw.”

Second Vulnerability (CVE-2020-6820) can be exploited when Use-after-free handling a ReadableStream, and is exploited in wide as a targeted attack.

“Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw.”

Both vulnerabilities are targeting the race condition can cause a use-after-free that allows attackers to execute arbitrary code, depending on the privileges associated with the user an attacker could then install programs; view, change or delete data; or create new accounts with full user rights.

You can Download the new Firefox 74.0.1 from the following:

All the Firefox users apply the updates provided by Mozilla to vulnerable systems, immediately after appropriate testing, also users recommended not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.

Also Read: Firefox Brings DNS over HTTPS by Default for U.S Users: Here’s How to Enable It


Latest articles

Sleepy Pickle Exploit Let Attackers Exploit ML Models And Attack End-Users

Hackers are targeting, attacking, and exploiting ML models. They want to hack into these...

SolarWinds Serv-U Vulnerability Let Attackers Access sensitive files

SolarWinds released a security advisory for addressing a Directory Traversal vulnerability which allows a...

Smishing Triad Hackers Attacking Online Banking, E-Commerce AND Payment Systems Customers

Hackers often attack online banking platforms, e-commerce portals, and payment systems for illicit purposes.Resecurity...

Threat Actor Claiming Leak Of 5 Million Ecuador’s Citizen Database

A threat actor has claimed responsibility for leaking the personal data of 5 million...

Ascension Hack Caused By an Employee Who Downloaded a Malicious File

Ascension, a leading healthcare provider, has made significant strides in its investigation and recovery...

AWS Announced Malware Detection Tool For S3 Buckets

Amazon Web Services (AWS) has announced the general availability of Amazon GuardDuty Malware Protection...

Hackers Exploiting MS Office Editor Vulnerability to Deploy Keylogger

Researchers have identified a sophisticated cyberattack orchestrated by the notorious Kimsuky threat group.The...
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Free Webinar

API Vulnerability Scanning

71% of the internet traffic comes from APIs so APIs have become soft targets for hackers.Securing APIs is a simple workflow provided you find API specific vulnerabilities and protect them.In the upcoming webinar, join Vivek Gopalan, VP of Products at Indusface as he takes you through the fundamentals of API vulnerability scanning..
Key takeaways include:

  • Scan API endpoints for OWASP API Top 10 vulnerabilities
  • Perform API penetration testing for business logic vulnerabilities
  • Prioritize the most critical vulnerabilities with AcuRisQ
  • Workflow automation for this entire process

Related Articles