CVE-2022-30083

9.8 CRITICAL

📋 TL;DR

CVE-2022-30083 is a critical code injection vulnerability in the EllieGrid Android app version 3.4.1 that allows attackers to execute arbitrary code by manipulating user input. This affects all users of the vulnerable app version on Android devices. The vulnerability stems from improper input validation where user-supplied data is evaluated as executable code.

💻 Affected Systems

Products:
  • EllieGrid Android Application
Versions: Version 3.4.1
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects the specific Android app version; other platforms or versions may not be vulnerable.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of the Android device, allowing attackers to install malware, steal sensitive data, gain persistent access, or use the device as part of a botnet.

🟠

Likely Case

Data theft including personal information, financial data, or authentication credentials stored in the app, potentially leading to account takeover or identity theft.

🟢

If Mitigated

Limited impact with proper network segmentation, app sandboxing, and security controls preventing lateral movement from the compromised app.

🌐 Internet-Facing: HIGH - The app communicates with remote servers and processes user input that could be manipulated through network requests.
🏢 Internal Only: MEDIUM - While primarily an app vulnerability, compromised devices could be used as footholds for internal network attacks if connected to corporate networks.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Code injection vulnerabilities typically have low exploitation complexity once the injection point is identified, but no public exploit code has been confirmed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 3.4.1 (check Google Play Store for latest)

Vendor Advisory: Not publicly available

Restart Required: Yes

Instructions:

1. Open Google Play Store on Android device. 2. Search for 'EllieGrid'. 3. If update is available, tap 'Update'. 4. Restart the app after update completes.

🔧 Temporary Workarounds

Uninstall vulnerable version

android

Remove the vulnerable app version from all devices

adb uninstall com.elliegrid.android

Network restriction

all

Block app network access using firewall or mobile device management

🧯 If You Can't Patch

  • Isolate affected devices from sensitive networks and systems
  • Implement application whitelisting to prevent unauthorized code execution

🔍 How to Verify

Check if Vulnerable:

Check app version in Android Settings > Apps > EllieGrid > App info

Check Version:

adb shell dumpsys package com.elliegrid.android | grep versionName

Verify Fix Applied:

Confirm app version is greater than 3.4.1 and test input validation in app functionality

📡 Detection & Monitoring

Log Indicators:

  • Unusual process creation from EllieGrid app
  • Suspicious network connections from app to unknown endpoints
  • App crashes or abnormal behavior logs

Network Indicators:

  • Unexpected outbound connections from app
  • Suspicious payloads in app network traffic
  • Communication with known malicious domains

SIEM Query:

source="android_logs" app="EllieGrid" (event="process_creation" OR event="network_connection")

🔗 References

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