CVE-2019-2124 : Exploit Details and Defense Strategies

Android versions 7.1.1, 7.1.2, 8.0, 8.1, and 9 are affected by a security vulnerability that allows covert file attachment in emails, potentially leading to local information disclosure.

Understanding CVE-2019-2124

This CVE identifies a vulnerability in the ComposeActivityEmailExternal function of Android versions 7.1.1, 7.1.2, 8.0, 8.1, and 9.

What is CVE-2019-2124?

This CVE points to a flaw that enables the covert attachment of files to emails, posing a risk of disclosing local information.

The Impact of CVE-2019-2124

The vulnerability could result in the disclosure of local information, potentially compromising user privacy and security.

Technical Details of CVE-2019-2124

Android versions 7.1.1, 7.1.2, 8.0, 8.1, and 9 are susceptible to the following:

Vulnerability Description

The ComposeActivityEmailExternal function in Android allows for the silent attachment of files to emails, leading to potential local information disclosure.

Affected Systems and Versions

Product: Android
Versions: 7.1.1, 7.1.2, 8.0, 8.1, 9

Exploitation Mechanism

The vulnerability arises from a confused deputy scenario, enabling the covert attachment of files to emails.

Mitigation and Prevention

To address CVE-2019-2124, consider the following steps:

Immediate Steps to Take

Update affected Android devices to the latest secure versions.
Avoid opening suspicious emails or attachments.

Long-Term Security Practices

Regularly update and patch Android devices to mitigate known vulnerabilities.
Educate users on safe email practices and potential risks of file attachments.

Patching and Updates

Stay informed about security bulletins and patches released by Android.