CVE-2024-20102
📋 TL;DR
This vulnerability in MediaTek wlan drivers allows remote attackers to read memory beyond intended boundaries due to improper input validation. It could lead to information disclosure without user interaction, but requires system execution privileges. Devices using affected MediaTek chipsets with vulnerable wlan drivers are impacted.
💻 Affected Systems
- MediaTek wlan driver
📦 What is this software?
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Remote attacker gains unauthorized read access to kernel memory, potentially exposing sensitive system information or cryptographic keys.
Likely Case
Information disclosure of limited kernel memory contents, possibly revealing system state or configuration data.
If Mitigated
No impact if patched or if proper network segmentation prevents access to vulnerable interfaces.
🎯 Exploit Status
Exploitation requires system privileges but no user interaction. The out-of-bounds read nature suggests reliable exploitation may require specific conditions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Patch ID: ALPS08998892
Vendor Advisory: https://corp.mediatek.com/product-security-bulletin/October-2024
Restart Required: Yes
Instructions:
1. Check device manufacturer for firmware updates. 2. Apply MediaTek-provided patch ALPS08998892. 3. Reboot device after patch application. 4. Verify patch installation through version checks.
🔧 Temporary Workarounds
Network segmentation
allIsolate devices with vulnerable wlan drivers from untrusted networks
Privilege reduction
linuxEnsure wlan driver processes run with minimal necessary privileges
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to vulnerable interfaces
- Monitor for unusual wlan driver behavior or memory access patterns
🔍 How to Verify
Check if Vulnerable:
Check wlan driver version against MediaTek security bulletin or contact device manufacturer for vulnerability statusCheck Version:
Device-specific commands vary by manufacturer; check with device vendor for version verificationVerify Fix Applied:
Verify patch ALPS08998892 is applied through system logs or manufacturer update verification tools📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Wlan driver crash reports
- Memory access violation errors in system logs
Network Indicators:
- Unusual wlan driver traffic patterns
- Suspicious network packets targeting wlan interfaces
SIEM Query:
source="kernel" AND ("wlan" OR "mediatek") AND ("panic" OR "oob" OR "out of bounds")