CVE-2024-0044: Google Android Privilege Escalation Flaw

CVE-2024-0044 Overview

In createSessionInternal of PackageInstallerService.java, there is a possible run-as any app due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Critical Impact
This vulnerability could allow local attackers to escalate privileges, potentially compromising device security.

Affected Products

Google Android 12.0
Google Android 12.1
Google Android 13.0

Discovery Timeline

Not Available - Vulnerability discovered by Not Available
Not Available - Responsible disclosure to Google
Not Available - CVE CVE-2024-0044 assigned
Not Available - Google releases security patch
2024-03-11 - CVE CVE-2024-0044 published to NVD
2025-01-28 - Last updated in NVD database

Technical Details for CVE-2024-0044

Vulnerability Analysis

The vulnerability arises from improper input validation in the createSessionInternal method of PackageInstallerService. Lack of adequate checks allows local attackers to exploit this function, potentially running arbitrary applications with escalated privileges.

Root Cause

The root cause lies in the insufficient input validation processes allowing unauthorized privilege escalation.

Attack Vector

Attackers need local access to the device to exploit this vulnerability through direct interaction with the createSessionInternal method.

java

// Example exploitation code (sanitized)
try {
    // Attempt privilege escalation
    runAs("targetApp");
} catch (SecurityException e) {
    e.printStackTrace();
}

Detection Methods for CVE-2024-0044

Indicators of Compromise

Unusual escalations in application permissions
Unexpected app behaviors
Logs indicating unauthorized permission usage

Detection Strategies

Multi-faceted approach including monitoring for abnormal permission changes, auditing logs for unexpected behavior, and utilizing anomaly detection on application activities.

Monitoring Recommendations

Configure security monitoring tools to track permission changes on applications and alert for any unauthorized privilege escalations.

How to Mitigate CVE-2024-0044

Immediate Actions Required

Deploy vendor-provided security patches immediately
Audit all apps for unexpected permission requests
Restrict access to sensitive APIs

Patch Information

Refer to Android Googlesource for patch details and apply relevant updates.

Workarounds

No permanent workarounds without applying the patch. As a temporary measure, limit app permissions via device settings.

bash

# Configuration example
adb shell pm revoke <package_name> android.permission.<permission_name>