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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-21281 Detail

Description

Contiki-NG is an open-source, cross-platform operating system for internet of things devices. A buffer overflow vulnerability exists in Contiki-NG versions prior to 4.6. After establishing a TCP socket using the tcp-socket library, it is possible for the remote end to send a packet with a data offset that is unvalidated. The problem has been patched in Contiki-NG 4.6. Users can apply the patch for this vulnerability out-of-band as a workaround.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/contiki-ng/contiki-ng/pull/1366 Patch  Third Party Advisory 
https://github.com/contiki-ng/contiki-ng/pull/1366 Patch  Third Party Advisory 
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-mc42-fqfr-h9fp Patch  Third Party Advisory 
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-mc42-fqfr-h9fp Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-21281
NVD Published Date:
06/18/2021
NVD Last Modified:
11/21/2024
Source:
GitHub, Inc.