CVE-2024-21466
📋 TL;DR
This vulnerability allows information disclosure when parsing sub-IE length during new IE generation in Qualcomm components. It affects devices using Qualcomm chipsets with vulnerable firmware. Attackers could potentially read sensitive memory contents.
💻 Affected Systems
- Qualcomm chipsets and associated firmware
📦 What is this software?
Immersive Home 3210 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 3210 Platform Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Sensitive information like encryption keys, credentials, or proprietary data could be leaked from device memory to an attacker.
Likely Case
Limited information disclosure of adjacent memory contents, potentially revealing device state or configuration data.
If Mitigated
No impact if proper network segmentation and access controls prevent attackers from reaching vulnerable components.
🎯 Exploit Status
Exploitation requires sending specially crafted packets to vulnerable parsing functions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Patches included in Qualcomm July 2024 security updates
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2024-bulletin.html
Restart Required: Yes
Instructions:
1. Check device manufacturer for firmware updates. 2. Apply Qualcomm July 2024 security patches. 3. Reboot device after update.
🔧 Temporary Workarounds
Network segmentation
allIsolate devices with Qualcomm chips from untrusted networks
Firewall rules
allBlock unnecessary network protocols to vulnerable components
🧯 If You Can't Patch
- Segment affected devices in isolated network zones
- Implement strict network access controls and monitoring
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against Qualcomm's July 2024 security bulletinCheck Version:
Device-specific commands vary by manufacturer; typically in device settings or using manufacturer toolsVerify Fix Applied:
Verify firmware version has been updated to include July 2024 patches📡 Detection & Monitoring
Log Indicators:
- Unusual parsing errors in wireless protocol logs
- Memory access violations in system logs
Network Indicators:
- Malformed packets targeting IE parsing functions
- Unexpected information disclosure in network traffic
SIEM Query:
Search for memory access violations or parsing errors in device logs related to wireless protocols