CVE-2021-38386: Buffer Overflow
Published Aug 10, 2021
·Updated
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.
Affected Software
1 affected component
Contiki-os Contiki=3.0
Event History
Aug 10, 2021
CVE Published
via MITRE·06:59 PM
Data Sourced
via MITRE·06:59 PM
Description
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is CVE-2021-38386?
CVE-2021-38386 is a buffer overflow vulnerability in the Telnet service of Contiki 3.0.
2
How does CVE-2021-38386 affect Contiki OS?
CVE-2021-38386 affects Contiki OS version 3.0.
3
What is the severity of CVE-2021-38386?
CVE-2021-38386 has a severity rating of 7.5, indicating a high severity.
4
How does CVE-2021-38386 allow remote attackers to cause a denial of service?
CVE-2021-38386 allows remote attackers to cause a denial of service by exploiting a buffer overflow in the Telnet service.
5
Is there a fix available for CVE-2021-38386?
At the time of writing, there is no known fix available for CVE-2021-38386. It is recommended to follow the vendor's advisory for any updates or patches.