CVE-2024-33026

7.5 HIGH

📋 TL;DR

This vulnerability allows an attacker to cause a denial-of-service condition in affected Qualcomm Wi-Fi components by sending specially crafted probe response or association response frames with malformed timestamps. The vulnerability affects devices using Qualcomm Wi-Fi chipsets when processing wireless network frames.

💻 Affected Systems

Products:
  • Qualcomm Wi-Fi chipsets and modules
Versions: Specific affected versions not publicly detailed in bulletin
Operating Systems: Android, Linux, and other OS using Qualcomm Wi-Fi drivers
Default Config Vulnerable: ⚠️ Yes
Notes: Affects devices with Qualcomm Wi-Fi hardware when connected to wireless networks. Exact chipset models not specified in public bulletin.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete wireless network disruption on affected devices, requiring device reboot to restore functionality.

🟠

Likely Case

Temporary Wi-Fi connectivity loss on vulnerable devices when targeted with malicious frames.

🟢

If Mitigated

Minimal impact with proper network segmentation and wireless intrusion prevention systems.

🌐 Internet-Facing: MEDIUM - Requires proximity to target device but can be exploited wirelessly without authentication.
🏢 Internal Only: MEDIUM - Internal attackers with wireless access could disrupt Wi-Fi connectivity.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploitation requires sending malformed wireless frames, which can be done from within wireless range without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Refer to August 2024 Qualcomm security bulletin for specific patched versions

Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2024-bulletin.html

Restart Required: Yes

Instructions:

1. Check device manufacturer for firmware updates. 2. Apply Qualcomm-provided patches for Wi-Fi drivers/firmware. 3. Reboot device after update.

🔧 Temporary Workarounds

Wireless Network Segmentation

all

Isolate vulnerable devices on separate wireless networks/VLANs

Wireless Intrusion Prevention

all

Deploy WIPS to detect and block malformed wireless frames

🧯 If You Can't Patch

  • Implement strict wireless access controls and network segmentation
  • Deploy wireless monitoring to detect DoS attempts

🔍 How to Verify

Check if Vulnerable:

Check device specifications for Qualcomm Wi-Fi chipset and firmware version against August 2024 Qualcomm bulletin

Check Version:

Device-specific commands vary by manufacturer (e.g., 'iwconfig', device settings, or manufacturer tools)

Verify Fix Applied:

Verify firmware/driver version matches patched versions in Qualcomm advisory

📡 Detection & Monitoring

Log Indicators:

  • Wi-Fi driver crashes
  • Unexpected wireless disconnections
  • Kernel panic logs related to Wi-Fi

Network Indicators:

  • Unusual probe/association response frames
  • Malformed timestamp fields in wireless packets

SIEM Query:

Wireless logs showing repeated disconnections or driver errors from multiple devices

🔗 References

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