CVE-2017-5379 : Exploit Details and Defense Strategies
Learn about CVE-2017-5379, a use-after-free vulnerability in Web Animations affecting Firefox versions below 51. Find out the impact, affected systems, exploitation, and mitigation steps.
A vulnerability related to use-after-free in Web Animations has been discovered in Firefox versions lower than 51.
Understanding CVE-2017-5379
What is CVE-2017-5379?
This CVE refers to a use-after-free vulnerability in Web Animations discovered through fuzzing, affecting Firefox versions below 51.
The Impact of CVE-2017-5379
The vulnerability could allow attackers to execute arbitrary code or cause a denial of service by exploiting the use-after-free issue in Web Animations.
Technical Details of CVE-2017-5379
Vulnerability Description
The vulnerability is a use-after-free flaw in Web Animations when interacting with cycle collection, identified through fuzzing.
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions Affected: < 51
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious web page, leading to potential code execution or denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Update Firefox to version 51 or higher to mitigate the vulnerability.
- Avoid clicking on suspicious links or visiting untrusted websites.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement security best practices to prevent and detect potential vulnerabilities.
Patching and Updates
Apply security patches provided by Mozilla to address the use-after-free vulnerability in Web Animations.