CVE-2020-15648 : Security Advisory and Response

A vulnerability in Thunderbird and Firefox versions allowed the bypassing of X-Frame-Options using object or embed tags.

Understanding CVE-2020-15648

This CVE involves a security issue in Thunderbird and Firefox versions that could potentially impact the framing of other websites.

What is CVE-2020-15648?

The vulnerability allowed the framing of websites, even if they had measures in place to prevent framing using the X-Frame-Options header.

The Impact of CVE-2020-15648

The vulnerability affects Thunderbird versions less than 78 and Firefox versions less than 78.0.2.

Technical Details of CVE-2020-15648

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allowed the framing of websites using object or embed tags, bypassing X-Frame-Options.

Affected Systems and Versions

Thunderbird < 78
Firefox < 78.0.2

Exploitation Mechanism

The exploit involved using object or embed tags to frame websites, circumventing X-Frame-Options.

Mitigation and Prevention

Protective measures to address the CVE.

Immediate Steps to Take

Update Thunderbird and Firefox to versions 78 and 78.0.2 respectively.
Avoid clicking on suspicious links or visiting untrusted websites.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement content security policies to mitigate framing vulnerabilities.

Patching and Updates

Apply patches provided by Mozilla to fix the vulnerability.