CVE-2020-10070 MQTT buffer overflow on receive buffer
Improper bounds checking in Zephyr RTOS MQTT implementation allows remote attackers to cause memory corruption and potentially execute arbitrary code.
- 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-2020-10070?
CVE-2020-10070 is a critical memory corruption vulnerability in Zephyrproject Zephyr, published on 5 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Which versions are affected by CVE-2020-10070?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2020-10070?
No fix has been published for CVE-2020-10070 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-2020-10070 being exploited?
There is no known exploitation of CVE-2020-10070 in the wild and no public exploit code.
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- CVE-2018-1000800 Null dereference in n/a
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Sources
Also known as GHSA-wj3q-4vgj-mfw8.