CVE-2022-33275

Q: What is the severity of CVE-2022-33275?

CVE-2022-33275 has a CVSS score of 8.4 (HIGH). This vulnerability allows memory corruption in Qualcomm WLAN hardware abstraction layer due to improper array index validation. Attackers could potentially execute arbitrary code or cause denial of service on affected devices. This affects devices using vulnerable Qualcomm WLAN chipsets.

8.4 HIGH

📋 TL;DR

This vulnerability allows memory corruption in Qualcomm WLAN hardware abstraction layer due to improper array index validation. Attackers could potentially execute arbitrary code or cause denial of service on affected devices. This affects devices using vulnerable Qualcomm WLAN chipsets.

💻 Affected Systems

Products:

Qualcomm WLAN chipsets and devices using them

Versions: Specific versions not publicly detailed in advisory

Operating Systems: Android, Linux-based systems using Qualcomm WLAN

Default Config Vulnerable: ⚠️ Yes

Notes: Affects devices with vulnerable Qualcomm WLAN firmware. Exact device models depend on chipset implementation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete device compromise, data theft, or persistent backdoor installation

🟠

Likely Case

Device crash/reboot causing denial of service, potentially requiring physical reset

🟢

If Mitigated

Limited impact with proper network segmentation and exploit mitigations in place

🌐 Internet-Facing: MEDIUM

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: MEDIUM

Exploitation requires sending specially crafted WLAN packets to vulnerable devices

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Refer to Qualcomm September 2023 security bulletin

Vendor Advisory: https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin

Restart Required: Yes

Instructions:

1. Check device manufacturer for firmware updates 2. Apply Qualcomm-provided patches 3. Reboot device 4. Verify patch installation

🔧 Temporary Workarounds

Network segmentation

all

Isolate vulnerable devices from untrusted networks

WLAN access control

all

Restrict WLAN access to trusted devices only

🧯 If You Can't Patch

Segment network to isolate vulnerable devices
Implement strict WLAN authentication and monitoring

🔍 How to Verify

Check if Vulnerable:

Check device firmware version against Qualcomm advisory or manufacturer security updates

Check Version:

Device-specific commands vary by manufacturer (e.g., 'cat /proc/version' on Linux systems)

Verify Fix Applied:

Verify firmware version has been updated to patched version

📡 Detection & Monitoring

Log Indicators:

Unexpected device reboots
WLAN driver crashes
Memory corruption errors in system logs

Network Indicators:

Unusual WLAN packet patterns
Malformed WLAN management frames

SIEM Query:

Search for WLAN driver crashes or unexpected reboots on affected devices

📊 Metadata

CVE ID: CVE-2022-33275

CVSS v3 Score: 8.4 (HIGH)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE: CWE-129

Published: September 5, 2023

Last Updated: November 21, 2024

🔗 References

https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin Vendor Advisory

📋 TL;DR

💻 Affected Systems

📦 What is this software?

315 5g Iot Modem Firmware by Qualcomm

Apq5053 Aa Firmware by Qualcomm

Aqt1000 Firmware by Qualcomm

Ar8035 Firmware by Qualcomm

Ar9380 Firmware by Qualcomm

Csr8811 Firmware by Qualcomm

Csra6620 Firmware by Qualcomm

Csra6640 Firmware by Qualcomm

Csrb31024 Firmware by Qualcomm

Flight Rb5 5g Platform Firmware by Qualcomm

Immersive Home 214 Platform Firmware by Qualcomm

Immersive Home 216 Platform Firmware by Qualcomm

Immersive Home 316 Platform Firmware by Qualcomm

Immersive Home 318 Platform Firmware by Qualcomm

Ipq4018 Firmware by Qualcomm

Ipq4028 Firmware by Qualcomm

Ipq4029 Firmware by Qualcomm

Ipq5010 Firmware by Qualcomm

Ipq5028 Firmware by Qualcomm

Ipq6000 Firmware by Qualcomm

Ipq6010 Firmware by Qualcomm

Ipq6018 Firmware by Qualcomm

Ipq6028 Firmware by Qualcomm

Ipq8064 Firmware by Qualcomm

Ipq8065 Firmware by Qualcomm

Ipq8068 Firmware by Qualcomm

Ipq8069 Firmware by Qualcomm

Ipq8070 Firmware by Qualcomm

Ipq8070a Firmware by Qualcomm

Ipq8071 Firmware by Qualcomm

Ipq8071a Firmware by Qualcomm

Ipq8072 Firmware by Qualcomm

Ipq8072a Firmware by Qualcomm

Ipq8074 Firmware by Qualcomm

Ipq8074a Firmware by Qualcomm

Ipq8076 Firmware by Qualcomm

Ipq8076a Firmware by Qualcomm

Ipq8078 Firmware by Qualcomm

Ipq8078a Firmware by Qualcomm

Ipq8173 Firmware by Qualcomm

Ipq8174 Firmware by Qualcomm

Ipq9008 Firmware by Qualcomm

Ipq9574 Firmware by Qualcomm

Pmp8074 Firmware by Qualcomm

Qam8295p Firmware by Qualcomm

Qca1062 Firmware by Qualcomm

Qca1064 Firmware by Qualcomm

Qca2062 Firmware by Qualcomm

Qca2064 Firmware by Qualcomm

Qca2065 Firmware by Qualcomm

Qca2066 Firmware by Qualcomm

Qca4024 Firmware by Qualcomm

Qca6310 Firmware by Qualcomm

Qca6335 Firmware by Qualcomm

Qca6390 Firmware by Qualcomm

Qca6391 Firmware by Qualcomm

Qca6420 Firmware by Qualcomm

Qca6421 Firmware by Qualcomm

Qca6426 Firmware by Qualcomm

Qca6428 Firmware by Qualcomm

Qca6430 Firmware by Qualcomm

Qca6431 Firmware by Qualcomm

Qca6436 Firmware by Qualcomm

Qca6438 Firmware by Qualcomm

Qca6554a Firmware by Qualcomm

Qca6564au Firmware by Qualcomm

Qca6574 Firmware by Qualcomm

Qca6574a Firmware by Qualcomm

Qca6574au Firmware by Qualcomm

Qca6584au Firmware by Qualcomm

Qca6595 Firmware by Qualcomm

Qca6595au Firmware by Qualcomm

Qca6678aq Firmware by Qualcomm

Qca6696 Firmware by Qualcomm

Qca6698aq Firmware by Qualcomm

Qca8072 Firmware by Qualcomm

Qca8075 Firmware by Qualcomm