CVE-2020-10022 UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array
A malformed JSON payload from an UpdateHub server can cause memory corruption in Zephyr OS, potentially leading to code execution or 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-2020-10022?
CVE-2020-10022 is a critical memory corruption vulnerability in Zephyrproject Zephyr, published on 11 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.
Weakness: CWE-120
Which versions are affected by CVE-2020-10022?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2020-10022?
No fix has been published for CVE-2020-10022 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-2020-10022 being exploited?
There is no known exploitation of CVE-2020-10022 in the wild and no public exploit code.
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- CVE-2017-14199 Memory corruption in getaddrinfo
- CVE-2018-1000800 Null dereference in n/a
- CVE-2021-3329 DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer
Sources
Also known as GHSA-cpxw-453r-hpg9.