CVE-2018-1000800 Null dereference in n/a
A malicious application can trigger a CPU page fault in Zephyr RTOS kernel APIs, causing a 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-2018-1000800?
CVE-2018-1000800 is a critical vulnerability in Zephyrproject Zephyr, published on 6 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
zephyr-rtos version 1.12.0 contains a NULL base pointer reference vulnerability in sys_ring_buf_put(), sys_ring_buf_get() that can result in CPU Page Fault (error code 0x00000010). This attack appear to be exploitable via a malicious application call the vulnerable kernel APIs (system sys_ring_buf_get() and sys_ring_buf_put).
Weakness: CWE-476
Which versions are affected by CVE-2018-1000800?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2018-1000800?
No fix has been published for CVE-2018-1000800 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-1000800 being exploited?
There is no known exploitation of CVE-2018-1000800 in the wild and no public exploit code.
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Sources
Also known as GHSA-m6rj-hx92-c739.