Learn about CVE-2021-24000, a race condition vulnerability in Firefox < 88 that could lead to information disclosure. Find out the impact, technical details, and mitigation steps.
A detailed analysis of CVE-2021-24000, a vulnerability affecting Firefox versions less than 88 that could lead to confusion and potential information disclosure.
Understanding CVE-2021-24000
This section will provide insights into what CVE-2021-24000 is and its implications.
What is CVE-2021-24000?
CVE-2021-24000 is a race condition vulnerability in Firefox that involves requestPointerLock() and setTimeout() functions. This could allow a user to interact with one tab while thinking they are on a different tab, potentially leading to user confusion and unintended information disclosure.
The Impact of CVE-2021-24000
The impact of this vulnerability is significant as it can result in users unknowingly interacting with web elements and disclosing sensitive information.
Technical Details of CVE-2021-24000
Delve into the technical aspects of CVE-2021-24000, including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The race condition in requestPointerLock() and setTimeout() poses a risk where users can be misled into interacting with unintended web elements.
Affected Systems and Versions
Firefox versions below 88 are affected by this vulnerability, exposing users to potential attacks that leverage user confusion.
Exploitation Mechanism
Attackers could exploit this vulnerability by tricking users into disclosing information through misleading interactions on web pages.
Mitigation and Prevention
Explore the steps to mitigate and prevent the exploitation of CVE-2021-24000 to ensure the security of systems and users.
Immediate Steps to Take
Users are advised to update their Firefox browser to a version above 88 to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing secure browsing habits, such as verifying web page authenticity, can help prevent falling victim to similar vulnerabilities.
Patching and Updates
Stay updated with the latest Firefox patches and updates to address security flaws and enhance overall system security.