CVE-2017-5420 : What You Need to Know
Learn about CVE-2017-5420 affecting Firefox < 52. Discover how malicious webpages can deceive the address bar, allowing attackers to mimic authentic pages.
Firefox versions prior to 52 are vulnerable to a deception attack through malicious webpages loading "javascript:" URLs, concealing the displayed URL.
Understanding CVE-2017-5420
A vulnerability in Firefox < 52 allows attackers to spoof authentic pages by obfuscating the address bar location.
What is CVE-2017-5420?
- Deception attack through malicious webpages loading "javascript:" URLs
- Conceals the displayed URL, enabling attackers to mimic authentic pages
The Impact of CVE-2017-5420
- Allows attackers to spoof existing pages without the correct address being displayed
Technical Details of CVE-2017-5420
Affects Firefox versions prior to 52
Vulnerability Description
- Malicious pages loading "javascript:" URLs can obfuscate the address bar location
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions Affected: < 52
Exploitation Mechanism
- Deception through concealing the displayed URL
Mitigation and Prevention
Immediate Steps to Take:
- Update Firefox to version 52 or higher
- Be cautious while browsing and avoid suspicious websites
Long-Term Security Practices:
- Regularly update browsers and security software
- Educate users on safe browsing habits
Patching and Updates:
- Apply security patches promptly to mitigate risks