CVE-2023-33383 Memory corruption in n/a

Medium 5.3 Published Updated

An attacker can trigger a Bluetooth out-of-bounds read causing the Shelly 4PM Pro smart switch to reload, resulting in denial of service.

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-2023-33383?

CVE-2023-33383 is a medium-severity memory corruption vulnerability in n/a, published on 2 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Shelly 4PM Pro four-channel smart switch 0.11.0 allows an attacker to trigger a BLE out of bounds read fault condition that results in a device reload.

Weakness: CWE-125

Which versions are affected by CVE-2023-33383?

It affects 1 product.

Products include Shelly Pro 4pm Firmware.

How do I fix CVE-2023-33383?

No fix has been published for CVE-2023-33383 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-2023-33383 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-33383 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-hv53-fjh7-mp68.

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