CVE-2020-26964 : Exploit Details and Defense Strategies
Learn about CVE-2020-26964, a vulnerability in Firefox for Android versions prior to 83 that allowed untrusted apps on older Android versions to exploit browser privileges, potentially compromising web content security.
Firefox for Android's Remote Debugging via USB feature in versions prior to Firefox 83 allowed untrusted apps on older Android versions to connect and operate with browser privileges, potentially compromising web content security.
Understanding CVE-2020-26964
This CVE addresses a vulnerability in Firefox for Android that could be exploited by untrusted apps on older Android versions.
What is CVE-2020-26964?
If the Remote Debugging via USB feature was enabled in Firefox for Android on Android versions prior to 6.0, untrusted apps could connect to the feature and operate with browser privileges, potentially compromising web content security.
The Impact of CVE-2020-26964
The vulnerability allowed untrusted apps to read and interact with web content using the browser's privileges, posing a risk to data confidentiality and integrity.
Technical Details of CVE-2020-26964
This section provides technical insights into the vulnerability.
Vulnerability Description
The Remote Debugging via USB feature in Firefox for Android allowed untrusted apps on older Android versions to exploit browser privileges.
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions Affected: < 83
Exploitation Mechanism
Untrusted apps could connect to the Remote Debugging via USB feature and operate with the browser's privileges, potentially compromising web content security.
Mitigation and Prevention
Protect your systems from CVE-2020-26964 with the following steps:
Immediate Steps to Take
- Disable the Remote Debugging via USB feature in affected Firefox for Android versions.
- Update Firefox to version 83 or higher to mitigate the vulnerability.
Long-Term Security Practices
- Regularly update Firefox and other software to the latest versions.
- Implement SELinux policies and other security measures to prevent unauthorized access.
Patching and Updates
- Mozilla has addressed the vulnerability by removing the Remote Debugging via USB feature from affected devices.
- Stay informed about security advisories and apply patches promptly.