PT-2021-17607 · Riot-Os · Riot-Os

Nmeumo · Published 2021-04-06 · Updated 2021-04-09 · CVE-2021-27698

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: RIOT-OS version 2021.01

Description: The issue is related to a buffer overflow in the parse options() function, located in the /sys/net/gnrc/routing/rpl/gnrc rpl control messages.c file.

Recommendations: For RIOT-OS version 2021.01, consider disabling the parse options() function as a temporary workaround until a patch is available. Restrict access to the /sys/net/gnrc/routing/rpl/gnrc rpl control messages.c module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-27698

Affected Products

Riot-Os

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-27698 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27698 · Vendor Advisory
• https://github.com/RIOT-OS/RIOT/issues/16085 · Note