Buffer Overflow in RIOT-OS Routing Functionality
CVE-2021-27697

9.8CRITICAL

Key Information:

Vendor

Riot-os

Status
Riot
Vendor
CVE Published:
6 April 2021

What is CVE-2021-27697?

In RIOT-OS 2021.01, a buffer overflow vulnerability exists within the RPL routing functionality, specifically in the gnrc_rpl_validation_options() function. This flaw could potentially allow an attacker to exploit this weakness, leading to unexpected behaviors or even unauthorized access to sensitive data. Users of RIOT-OS should apply necessary updates to mitigate this risk.

References

https://github.com/RIOT-OS/RIOT/issues/16062
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.