CVE-2020-10068 Zephyr Bluetooth DLE duplicate requests vulnerability
Attackers can cause denial of service in Zephyr RTOS Bluetooth subsystem by sending duplicate or back-to-back packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-10068?
CVE-2020-10068 is a medium-severity denial of service vulnerability in Zephyrproject Zephyr, published on 5 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.
Weakness: CWE-20
Which versions are affected by CVE-2020-10068?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2020-10068?
No fix has been published for CVE-2020-10068 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-2020-10068 being exploited?
There is no known exploitation of CVE-2020-10068 in the wild and no public exploit code.
Other vulnerabilities in Zephyrproject Zephyr
- CVE-2026-5067 Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key
- CVE-2022-3806 Bluetooth HCI Error Handling Double Free
- 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-vwfw-j95m-5r48.