CVE-2020-27892 Denial of service in n/a
Attackers can crash Texas Instruments CC2538 devices by sending malformed Zigbee ZCL Discover Commands messages, 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-2020-27892?
CVE-2020-27892 is a high-severity denial of service vulnerability in n/a, published on 27 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Zigbee protocol implementation on Texas Instruments CC2538 devices with Z-Stack 3.0.1 does not properly process a ZCL Discover Commands Received Response message or a ZCL Discover Commands Generated Response message. It crashes in zclParseInDiscCmdsRspCmd().
Which versions are affected by CVE-2020-27892?
It affects 1 product.
Products include Ti Z-Stack.
How do I fix CVE-2020-27892?
No fix has been published for CVE-2020-27892 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-27892 being exploited?
There is no known exploitation of CVE-2020-27892 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w9cc-h4gx-q5gx.