CVE-2023-33083 Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in WLAN Host

Critical 9.8 Published Updated

A buffer overflow in Qualcomm Snapdragon WLAN Host allows attackers to execute arbitrary code or escalate privileges via crafted RRM beacon frames.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-33083?

CVE-2023-33083 is a critical memory corruption vulnerability in Qualcomm Ar8035 Firmware, published on 5 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Memory corruption in WLAN Host while processing RRM beacon on the AP.

Weakness: CWE-120

Which versions are affected by CVE-2023-33083?

It affects 115 products.

Products include Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Flight Rb5 5g Platform Firmware, Qualcomm Immersive Home 214 Platform Firmware, Qualcomm Immersive Home 216 Platform Firmware and 109 more.

How do I fix CVE-2023-33083?

No fix has been published for CVE-2023-33083 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-2023-33083 being exploited?

There is no known exploitation of CVE-2023-33083 in the wild and no public exploit code.

All Qualcomm Ar8035 Firmware vulnerabilities

Sources

Also known as GHSA-m329-c6qx-cr5c.

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