CVE-2020-15651 Explained : Impact and Mitigation
Learn about CVE-2020-15651, a Firefox for iOS vulnerability allowing file extension manipulation. Find out how to mitigate the risk and secure your system.
A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS < 28.
Understanding CVE-2020-15651
This CVE involves a security vulnerability in Firefox for iOS that allows manipulation of file extensions during the download process.
What is CVE-2020-15651?
CVE-2020-15651 is a vulnerability in Firefox for iOS that enables an attacker to modify a file's extension by using a unicode RTL order character in the downloaded file name.
The Impact of CVE-2020-15651
This vulnerability can be exploited to deceive users by changing file extensions, potentially leading to the execution of malicious code or files on affected devices.
Technical Details of CVE-2020-15651
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability allows threat actors to alter file extensions by inserting a unicode RTL order character in the downloaded file name, impacting the download UI flow.
Affected Systems and Versions
- Affected Product: Firefox for iOS
- Vendor: Mozilla
- Versions Affected: < 28
Exploitation Mechanism
The vulnerability can be exploited by manipulating the file name during the download process, using a unicode RTL order character to change the file extension.
Mitigation and Prevention
Protecting systems from CVE-2020-15651 requires immediate action and long-term security measures.
Immediate Steps to Take
- Update Firefox for iOS to a version higher than 28 to mitigate the vulnerability.
- Exercise caution when downloading files from untrusted sources to prevent potential exploitation.
Long-Term Security Practices
- Regularly update software and applications to patch known vulnerabilities.
- Educate users on safe downloading practices and file handling to minimize risks.
Patching and Updates
- Stay informed about security advisories from Mozilla to apply patches promptly and enhance system security.