CVE-2023-30658
📋 TL;DR
This vulnerability allows local attackers to bypass security restrictions and execute privileged activities on Samsung devices due to improper input validation in the DataProfile component. It affects Samsung mobile devices running vulnerable versions of the software prior to the July 2023 security update. Attackers need local access to the device to exploit this vulnerability.
💻 Affected Systems
- Samsung mobile devices
📦 What is this software?
Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →Android by Samsung
Android is Google's open-source mobile operating system powering over 3 billion devices worldwide, including smartphones, tablets, smart TVs, automotive systems, wearables, and IoT devices. As the world's dominant mobile OS with approximately 72% global market share, Android serves as the foundation...
Learn more about Android →⚠️ Risk & Real-World Impact
Worst Case
Local attacker gains full system privileges, potentially compromising device integrity, accessing sensitive data, or installing persistent malware.
Likely Case
Local attacker elevates privileges to perform unauthorized actions, access restricted data, or modify system settings.
If Mitigated
With proper patching, the vulnerability is eliminated; with proper access controls, exploitation attempts would be detected and blocked.
🎯 Exploit Status
Exploitation requires local access and knowledge of the vulnerability; no public exploit code is known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: SMR Jul-2023 Release 1 or later
Vendor Advisory: https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=07
Restart Required: Yes
Instructions:
1. Navigate to Settings > Software update on the Samsung device. 2. Tap Download and install. 3. Follow on-screen prompts to install the July 2023 security update. 4. Restart the device when prompted.
🔧 Temporary Workarounds
Restrict physical access
allLimit physical access to devices to prevent local attackers from exploiting the vulnerability.
Enable device encryption
allEnsure device encryption is enabled to protect data if device is compromised.
Settings > Biometrics and security > Encrypt or decrypt SD card (if applicable)
🧯 If You Can't Patch
- Implement strict physical security controls to prevent unauthorized local access to devices.
- Monitor for unusual privilege escalation attempts using security logging and monitoring tools.
🔍 How to Verify
Check if Vulnerable:
Check the device's security patch level in Settings > About phone > Software information > Android security patch level. If it's earlier than July 2023, the device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify the Android security patch level shows 'July 1, 2023' or later after applying the update.📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation attempts in system logs
- Suspicious access to DataProfile components
Network Indicators:
- Not applicable - this is a local vulnerability
SIEM Query:
source="android_system" AND (event="privilege_escalation" OR component="DataProfile")