CVE-2017-14202 The shell implementation does not protect against buffer overruns resulting in unpredictable behavior.
A buffer overflow in the Zephyr RTOS shell allows remote users to cause crashes or execute arbitrary code via serial or telnet connections.
- 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-2017-14202?
CVE-2017-14202 is a high-severity memory corruption vulnerability in Zephyrproject Zephyr, published on 29 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the shell component of Zephyr allows a serial or telnet connected user to cause a crash, possibly with arbitrary code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.
Weakness: CWE-119
Which versions are affected by CVE-2017-14202?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2017-14202?
No fix has been published for CVE-2017-14202 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-2017-14202 being exploited?
There is no known exploitation of CVE-2017-14202 in the wild and no public exploit code.
Other vulnerabilities in Zephyrproject Zephyr
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- 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-vf72-2cwh-56f9.