Learn about CVE-2021-29993, a vulnerability in Firefox for Android versions less than 92 that allowed unauthorized navigations through the `intent://` protocol, leading to crashes and UI spoofs.
Firefox for Android had a vulnerability that allowed navigations through the
intent://
protocol, leading to crashes and UI spoofs. This bug specifically impacted Firefox for Android versions less than 92.
Understanding CVE-2021-29993
This CVE refers to a security flaw in Firefox for Android that could be exploited to cause crashes and UI spoofs.
What is CVE-2021-29993?
CVE-2021-29993 is a vulnerability in Firefox for Android that allowed unauthorized navigations through a specific protocol, potentially resulting in system crashes and user interface manipulations.
The Impact of CVE-2021-29993
The impact of this vulnerability could lead to denial of service through crashes and deceive users with misleading user interfaces.
Technical Details of CVE-2021-29993
The technical details of CVE-2021-29993 include:
Vulnerability Description
The vulnerability allowed malicious actors to exploit the
intent://
protocol in Firefox for Android, causing crashes and UI spoofs.
Affected Systems and Versions
Firefox for Android versions prior to 92 were affected by this vulnerability.
Exploitation Mechanism
By using the
intent://
protocol, attackers could trigger unintended navigations and manipulate the UI in Firefox for Android.
Mitigation and Prevention
To address CVE-2021-29993, consider the following:
Immediate Steps to Take
Users should update Firefox for Android to version 92 or newer to mitigate the vulnerability and prevent exploitation.
Long-Term Security Practices
Practice safe browsing habits, avoid suspicious links, and keep software up to date to enhance overall security.
Patching and Updates
Regularly check for updates and apply patches promptly to protect against known vulnerabilities in software.