CVE-2023-33113 Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Kernel

High 8.4 Published Updated

A buffer overflow in the Qualcomm kernel allows attackers to execute arbitrary code or escalate privileges via crafted reply messages.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2023-33113?

CVE-2023-33113 is a high-severity memory corruption vulnerability in Qualcomm Ar8035 Firmware, published on 2 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory corruption when resource manager sends the host kernel a reply message with multiple fragments.

Weakness: CWE-787, CWE-120

Which versions are affected by CVE-2023-33113?

It affects 127 products.

Products include Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware and 121 more.

How do I fix CVE-2023-33113?

Apply the vendor's patch.

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

Is CVE-2023-33113 being exploited?

There is no known exploitation of CVE-2023-33113 in the wild and no public exploit code.

All Qualcomm Ar8035 Firmware vulnerabilities

Sources

Also known as 3495200, A-303101624, ASB-A-303101624, GHSA-25rm-72cp-x5mm.

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