Contiki-NG buffer overflow | CVE-2021-32771
NAME
Contiki-NG buffer overflow
- Platforms Affected:
Contiki-NG Contiki-NG 4.1
Contiki-NG Contiki-NG 4.2
Contiki-NG Contiki-NG 3.0
Contiki-NG Contiki-NG 4.4
Contiki-NG Contiki-NG 4.5 - Risk Level:
8.1 - Exploitability:
Unproven - Consequences:
Gain Access
DESCRIPTION
Contiki-NG is vulnerable to a stack-based buffer overflow, caused by improper bounds checking when copying an IPv6 address prefix in the RPL-Classic implementation. By using a specially-crafted DAO packet, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Access Vector: Network
- Access Complexity: High
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to the Contiki-NG GIT Repository for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-jqjf-v7v9-xp6w - Reference Link:
https://www.contiki-ng.org/
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