Vulnerabilities > CVE-2019-9183 - Integer Underflow (Wrap or Wraparound) vulnerability in multiple products

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

contiki-os

contiki-ng

CWE-191

NVD

Published: 2020-04-23

Updated: 2021-07-21

Summary

An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0. A buffer overflow is present due to an integer underflow during 6LoWPAN fragment processing in the face of truncated fragments in os/net/ipv6/sicslowpan.c. This results in accesses of unmapped memory, crashing the application. An attacker can cause a denial-of-service via a crafted 6LoWPAN frame.

Vulnerable Configurations

Part	Description	Count
OS	Contiki-Os Contiki OS Contiki - Contiki OS Contiki 2.0 Contiki OS Contiki 2.1 Contiki OS Contiki 2.2 Contiki OS Contiki 2.2.1 Contiki OS Contiki 2.2.2 Contiki OS Contiki 2.2.3 Contiki OS Contiki 2.3 Contiki OS Contiki 2.4 Contiki OS Contiki 2.5 Contiki OS Contiki 2.6 Contiki OS Contiki 2.7 Contiki OS Contiki 3.0	13
OS	Contiki-Ng Contiki NG Contiki NG - Contiki NG Contiki NG 2.0 Contiki NG Contiki NG 2.1 Contiki NG Contiki NG 2.2 Contiki NG Contiki NG 2.2.1 Contiki NG Contiki NG 2.2.2 Contiki NG Contiki NG 2.2.3 Contiki NG Contiki NG 2.3 Contiki NG Contiki NG 2.4 Contiki NG Contiki NG 2.5 Contiki NG Contiki NG 2.6 Contiki NG Contiki NG 2.7 Contiki NG Contiki NG 3.0 Contiki NG Contiki NG 4.0 Contiki NG Contiki NG 4.1 Contiki NG Contiki NG 4.2 Contiki NG Contiki NG 4.3	18

Common Weakness Enumeration (CWE)

CWE-191 - Integer Underflow (Wrap or Wraparound)

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References