CVE-2017-5385 : What You Need to Know
Learn about CVE-2017-5385 affecting Firefox versions prior to 51, potentially exposing information due to referrer-policy header issues. Find mitigation steps and updates here.
This CVE-2017-5385 article provides insights into a security vulnerability affecting Firefox versions prior to 51, potentially exposing information due to the disregarding of the referrer-policy response header.
Understanding CVE-2017-5385
What is CVE-2017-5385?
Websites using the multipart/x-mixed-replace MIME type may face information exposure risks as Firefox versions before 51 do not properly handle the referrer-policy response header.
The Impact of CVE-2017-5385
This vulnerability could lead to information disclosure for sites utilizing the referrer-policy response header.
Technical Details of CVE-2017-5385
Vulnerability Description
Data sent in multipart channels, like the multipart/x-mixed-replace MIME type, can ignore the referrer-policy response header, potentially exposing sensitive information.
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions Affected: < 51
Exploitation Mechanism
The vulnerability arises from the improper handling of the referrer-policy response header in Firefox versions prior to 51.
Mitigation and Prevention
Immediate Steps to Take
- Update Firefox to version 51 or above to mitigate the vulnerability.
- Monitor security advisories from Mozilla for any patches or updates.
Long-Term Security Practices
- Regularly update browsers and software to the latest versions.
- Implement strong security headers and practices to enhance website security.
Patching and Updates
Apply patches and updates provided by Mozilla to address the vulnerability effectively.