CVE-2018-9587 : Vulnerability Insights and Analysis

Android versions 7.0, 7.1.1, 7.1.2, 8.0, 8.1, and 9 are affected by a vulnerability in the method "savePhotoFromUriToUri" in ContactPhotoUtils.java, allowing unauthorized access to files in the contact application.

Understanding CVE-2018-9587

This CVE involves an elevation of privilege vulnerability in Android devices.

What is CVE-2018-9587?

The vulnerability in the ContactPhotoUtils.java file allows unauthorized access to files in the contact application on specific Android versions, potentially leading to a local escalation of privilege without additional execution privileges.

The Impact of CVE-2018-9587

The vulnerability could result in unauthorized access to sensitive files within the contact app, potentially enabling attackers to escalate privileges locally without requiring additional execution privileges. Exploitation of this vulnerability requires user interaction.

Technical Details of CVE-2018-9587

The technical aspects of the CVE-2018-9587 vulnerability.

Vulnerability Description

Vulnerability in "savePhotoFromUriToUri" method in ContactPhotoUtils.java
Allows unauthorized access to files in the contact application
Potential local escalation of privilege without extra execution privileges

Affected Systems and Versions

Affected Versions: Android 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9

Exploitation Mechanism

Vulnerability occurs due to a confused deputy scenario
Requires user interaction for exploitation

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-9587 vulnerability.

Immediate Steps to Take

Update affected Android devices to the latest security patches
Be cautious while interacting with unknown or untrusted sources

Long-Term Security Practices

Regularly update and patch Android devices
Implement security best practices to prevent unauthorized access

Patching and Updates

Apply security updates provided by Android to address the vulnerability