CVE-2020-25059

7.5 HIGH

📋 TL;DR

This vulnerability in LG mobile devices allows attackers to cause a service crash through incorrect input validation. It affects LG devices running Android OS 7.2, 8.0, 8.1, 9, and 10 software. The issue could lead to denial of service or potentially be leveraged for further exploitation.

💻 Affected Systems

Products:
  • LG mobile devices
Versions: Android OS 7.2, 8.0, 8.1, 9, 10
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: Specific LG device models not specified in CVE description. Vulnerability is in LG's software layer on top of Android.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Service crash leading to denial of service, potentially enabling privilege escalation or remote code execution if combined with other vulnerabilities.

🟠

Likely Case

Local denial of service causing affected service to crash, requiring device restart to restore functionality.

🟢

If Mitigated

Minimal impact with proper input validation and service isolation in place.

🌐 Internet-Facing: LOW - This appears to be a local vulnerability requiring access to the device.
🏢 Internal Only: MEDIUM - Could be exploited by malicious apps or users with physical access to the device.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires local access or malicious app installation. No public exploit code available based on CVE description.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: July 2020 security update (LVE-SMP-200013)

Vendor Advisory: https://lgsecurity.lge.com/

Restart Required: Yes

Instructions:

1. Check for system updates in device Settings > System > System Update. 2. Install July 2020 or later security update. 3. Restart device after update completes.

🔧 Temporary Workarounds

Disable unnecessary services

android

Identify and disable non-essential services that might be vulnerable

App permission restrictions

android

Limit app permissions to reduce attack surface

🧯 If You Can't Patch

  • Isolate affected devices from untrusted networks
  • Implement strict app installation policies and only install from trusted sources

🔍 How to Verify

Check if Vulnerable:

Check Android version in Settings > About Phone > Software Information. If running Android 7.2, 8.0, 8.1, 9, or 10 on LG device, check if July 2020 security patch is installed.

Check Version:

Settings > About Phone > Software Information > Android version and Security patch level

Verify Fix Applied:

Verify security patch level in Settings > About Phone > Software Information shows July 2020 or later.

📡 Detection & Monitoring

Log Indicators:

  • Service crash logs
  • Unexpected service termination events
  • Abnormal process exits

Network Indicators:

  • Unusual local service communication patterns

SIEM Query:

Not applicable for typical mobile device deployments

🔗 References

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