CVE-2020-13600 Malformed SPI in response for eswifi can corrupt kernel memory

High 7.0 Published Updated

A heap-based buffer overflow in the eswifi driver allows attackers to corrupt kernel memory, potentially leading to code execution or system crashes.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-13600?

CVE-2020-13600 is a high-severity memory corruption vulnerability in Zephyrproject Zephyr, published on 24 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Malformed SPI in response for eswifi can corrupt kernel memory. Zephyr versions >= 1.14.2, >= 2.3.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hx4p-j86p-2mhr

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2020-13600?

It affects 1 product.

Products include Zephyrproject Zephyr.

How do I fix CVE-2020-13600?

No fix has been published for CVE-2020-13600 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-2020-13600 being exploited?

There is no known exploitation of CVE-2020-13600 in the wild and no public exploit code.

All Zephyrproject Zephyr vulnerabilities

Sources

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