CVE-2023-33085

7.8 HIGH

📋 TL;DR

This vulnerability involves memory corruption in Qualcomm wearable devices while processing data from the Always-On (AON) subsystem. Attackers could potentially execute arbitrary code or cause denial of service on affected wearables. The vulnerability affects Qualcomm-powered wearable devices with specific chipsets.

💻 Affected Systems

Products:
  • Qualcomm wearable chipsets (specific models not publicly detailed in advisory)
Versions: Specific firmware versions not publicly detailed; affects chipsets prior to January 2024 patches
Operating Systems: Wear OS, proprietary wearable operating systems using Qualcomm chipsets
Default Config Vulnerable: ⚠️ Yes
Notes: Affects wearables with Qualcomm chipsets that include AON subsystems. Exact device models not specified in public advisory.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution allowing complete device compromise, data theft, or persistent malware installation on wearable devices.

🟠

Likely Case

Device crash or reboot leading to denial of service, potentially requiring physical reset of the wearable device.

🟢

If Mitigated

Limited impact with proper network segmentation and device isolation, potentially only causing temporary service disruption.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires sending specially crafted data to the AON subsystem, but specific attack vectors are not publicly documented.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Firmware updates released in January 2024 security bulletin

Vendor Advisory: https://www.qualcomm.com/company/product-security/bulletins/january-2024-bulletin

Restart Required: Yes

Instructions:

1. Check with wearable device manufacturer for firmware updates. 2. Apply the latest firmware update from the device manufacturer. 3. Restart the wearable device after update installation.

🔧 Temporary Workarounds

Disable unnecessary connectivity features

all

Reduce attack surface by disabling Bluetooth, Wi-Fi, or other connectivity features when not needed

Limit device pairing

all

Only pair wearable with trusted devices and avoid public Bluetooth connections

🧯 If You Can't Patch

  • Isolate wearable devices on separate network segments
  • Implement strict Bluetooth pairing policies and monitor for unusual connection attempts

🔍 How to Verify

Check if Vulnerable:

Check wearable device firmware version against manufacturer's security bulletin. Contact device manufacturer for specific vulnerability status.

Check Version:

Check in device settings > About > Software information (exact path varies by device)

Verify Fix Applied:

Verify firmware version has been updated to January 2024 or later security patch level

📡 Detection & Monitoring

Log Indicators:

  • Unexpected device reboots
  • Bluetooth connection anomalies
  • Memory error logs in device diagnostics

Network Indicators:

  • Unusual Bluetooth traffic patterns
  • Multiple failed pairing attempts from unknown devices

SIEM Query:

Not applicable - wearables typically don't integrate with enterprise SIEM systems

🔗 References

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