CVE-2023-0779 net: shell: Improper input validation
An attacker can cause a device crash or potentially execute code by providing an invalid pointer to the Zephyr RTOS shell.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-0779?
CVE-2023-0779 is a medium-severity vulnerability in Zephyrproject Zephyr, published on 30 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible.
Which versions are affected by CVE-2023-0779?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2023-0779?
No fix has been published for CVE-2023-0779 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-0779 being exploited?
There is no known exploitation of CVE-2023-0779 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-9xj8-6989-r549.