SB2021062409 - Out-of-bounds read in Contiki-NG



SB2021062409 - Out-of-bounds read in Contiki-NG

Published: June 24, 2021

Security Bulletin ID SB2021062409
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2021-21410)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the 6LoWPAN implementation. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.