CVE-2023-33116
📋 TL;DR
This vulnerability in Qualcomm's WIN WLAN driver allows a denial-of-service (DoS) attack when parsing specific wireless network management frames. Attackers can send specially crafted packets to crash affected systems, affecting devices using Qualcomm wireless chipsets with vulnerable driver versions.
💻 Affected Systems
- Qualcomm WIN WLAN driver
📦 What is this software?
Flight Rb5 5g Platform Firmware by Qualcomm
Immersive Home 214 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 214 Platform Firmware →
Immersive Home 216 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 216 Platform Firmware →
Immersive Home 316 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 316 Platform Firmware →
Immersive Home 318 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 318 Platform Firmware →
Immersive Home 3210 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 3210 Platform Firmware →
Immersive Home 326 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 326 Platform Firmware →
Snapdragon X65 5g Modem Rf System Firmware by Qualcomm
View all CVEs affecting Snapdragon X65 5g Modem Rf System Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash requiring reboot, disrupting wireless connectivity and potentially affecting device availability in critical environments.
Likely Case
Temporary wireless connectivity loss on affected devices until driver/service restarts, causing service disruption.
If Mitigated
Minimal impact with proper network segmentation and wireless security controls limiting attack surface.
🎯 Exploit Status
Exploitation requires sending specially crafted wireless management frames to target device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Patched versions specified in Qualcomm January 2024 security bulletin
Vendor Advisory: https://www.qualcomm.com/company/product-security/bulletins/january-2024-bulletin
Restart Required: Yes
Instructions:
1. Check Qualcomm January 2024 bulletin for affected chipset/driver versions. 2. Obtain updated driver from device manufacturer or Qualcomm. 3. Install updated driver. 4. Reboot system.
🔧 Temporary Workarounds
Disable vulnerable wireless features
windowsDisable MSCS (Multi-Stream Control Service) feature if not required
Network segmentation
allSegment wireless networks to limit attack surface
🧯 If You Can't Patch
- Implement strict wireless network access controls and monitoring
- Deploy wireless intrusion prevention systems to detect malicious management frames
🔍 How to Verify
Check if Vulnerable:
Check Qualcomm wireless driver version against affected versions in January 2024 bulletin
Check Version:
wmic path win32_pnpsigneddriver get devicename, driverversion | findstr /i qualcomm
Verify Fix Applied:
Verify driver version has been updated to patched version specified in bulletin
📡 Detection & Monitoring
Log Indicators:
- System crashes or driver restarts
- Wireless connectivity disruptions
- Event logs showing driver failures
Network Indicators:
- Unusual wireless management frame patterns
- MSCS-related packet anomalies
SIEM Query:
EventID=1001 OR EventID=6008 OR wireless driver crash events