CVE-2023-43955 : What You Need to Know

The com.phlox.tvwebbrowser TV Bro application through 2.0.0 for Android mishandles external intents through WebView, enabling attackers to execute arbitrary code, create files, and perform downloads via JavaScript.

Understanding CVE-2023-43955

This CVE involves a vulnerability in the TV Bro application for Android that allows for the execution of arbitrary code and other malicious activities.

What is CVE-2023-43955?

The CVE-2023-43955 vulnerability in the com.phlox.tvwebbrowser TV Bro application version 2.0.0 for Android occurs due to the mishandling of external intents through WebView, which can be exploited by attackers to execute arbitrary code, create files, and conduct downloads using JavaScript that leverages takeBlobDownloadData.

The Impact of CVE-2023-43955

The impact of CVE-2023-43955 is significant as it exposes users of the TV Bro application to the risk of arbitrary code execution, unauthorized file creation, and unintended downloads initiated by malicious actors.

Technical Details of CVE-2023-43955

This section provides insights into the vulnerability's description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability involves the mishandling of external intents through WebView in the com.phlox.tvwebbrowser TV Bro application for Android version 2.0.0, allowing for the execution of arbitrary code, file creation, and unauthorized downloads.

Affected Systems and Versions

The com.phlox.tvwebbrowser TV Bro application version 2.0.0 for Android is confirmed to be affected by this vulnerability, potentially impacting users of this specific version.

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing JavaScript that makes use of takeBlobDownloadData to execute arbitrary code, create files, and initiate downloads via the WebView component of the TV Bro application.

Mitigation and Prevention

In this section, we outline immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2023-43955.

Immediate Steps to Take

Users of the com.phlox.tvwebbrowser TV Bro application version 2.0.0 for Android are advised to avoid interacting with untrusted links and content, update to the latest version, and exercise caution while browsing to minimize exposure to potential attacks.

Long-Term Security Practices

To enhance overall security, users should practice good cybersecurity hygiene, such as regularly updating software, implementing robust security measures, and being mindful of permissions granted to applications.

Patching and Updates

It is crucial for the developers of the com.phlox.tvwebbrowser TV Bro application to release patches addressing the vulnerability promptly, ensuring that users can update to a secure version free from the exploit.