CVE-2021-38386 Memory corruption in n/a
Remote attackers can cause a denial of service in Contiki OS via a buffer overflow in the Telnet service when handling directories with many long filenames.
- 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-2021-38386?
CVE-2021-38386 is a high-severity memory corruption vulnerability in n/a, published on 10 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Contiki 3.0, a buffer overflow in the Telnet service allows remote attackers to cause a denial of service because the ls command is mishandled when a directory has many files with long names.
Weakness: CWE-120
Which versions are affected by CVE-2021-38386?
It affects 1 product.
Products include Contiki-Os Contiki.
How do I fix CVE-2021-38386?
No fix has been published for CVE-2021-38386 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-2021-38386 being exploited?
There is no known exploitation of CVE-2021-38386 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hj2m-f3h3-95w9.