CVE-2022-33276 Buffer copy without checking size of input in Modem

High 8.4 Published Updated

A buffer overflow in the Qualcomm modem allows attackers to execute arbitrary code or escalate privileges via a crafted WMI command.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-33276?

CVE-2022-33276 is a high-severity memory corruption vulnerability in Qualcomm Ar8035 Firmware, published on 6 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory corruption due to buffer copy without checking size of input in modem while receiving WMI_REQUEST_STATS_CMDID command.

Weakness: CWE-120

Which versions are affected by CVE-2022-33276?

It affects 134 products.

Products include Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Ipq5010 Firmware, Qualcomm Ipq5018 Firmware, Qualcomm Ipq5028 Firmware and 128 more.

How do I fix CVE-2022-33276?

No fix has been published for CVE-2022-33276 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-33276 being exploited?

There is no known exploitation of CVE-2022-33276 in the wild and no public exploit code.

All Qualcomm Ar8035 Firmware vulnerabilities

Sources

Also known as GHSA-mqmv-38r6-6q2v.

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