CVE-2023-49060 : What You Need to Know

A privilege escalation vulnerability has been identified in Firefox for iOS versions prior to 120. This vulnerability could allow an attacker to access internal pages or data by ex-filtrating a security key from ReaderMode using the

referrerpolicy

attribute.

Understanding CVE-2023-49060

This CVE describes a security flaw in Firefox for iOS that could potentially lead to unauthorized access to sensitive information.

What is CVE-2023-49060?

CVE-2023-49060 is a privilege escalation vulnerability found in Firefox for iOS versions lower than 120. It allows an attacker to extract a security key from ReaderMode using the

referrerpolicy

attribute, enabling access to internal pages or data.

The Impact of CVE-2023-49060

The impact of this vulnerability is significant as it could lead to unauthorized access to sensitive information stored within Firefox for iOS, potentially compromising user privacy and confidentiality.

Technical Details of CVE-2023-49060

This section provides more detailed technical information about the CVE.

Vulnerability Description

The vulnerability in Firefox for iOS versions less than 120 allows an attacker to ex-filtrate a security key from ReaderMode through the

referrerpolicy

attribute, leading to unauthorized access to internal pages or data.

Affected Systems and Versions

Firefox for iOS versions below 120 are affected by this vulnerability.

Exploitation Mechanism

To exploit this vulnerability, an attacker would ex-filtrate a security key from ReaderMode via the

referrerpolicy

attribute, gaining access to restricted pages or sensitive data.

Mitigation and Prevention

For organizations and individuals using Firefox for iOS, it is crucial to take immediate action to mitigate the risks posed by CVE-2023-49060.

Immediate Steps to Take

Users are advised to update their Firefox for iOS to version 120 or higher to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implementing secure coding practices, regular security audits, and staying informed about security updates can help prevent similar vulnerabilities in the future.

Patching and Updates

Mozilla has released patches addressing CVE-2023-49060 in Firefox for iOS version 120. Users should promptly update their browser to the latest version to protect against potential attacks.