Contiki-NG missing NULL pointer check in IPv6 neighbor discovery
CVE-2023-31129

7.5HIGH

Key Information:

Vendor

Contiki-ng

Status
Contiki-ng
Vendor
CVE Published:
8 May 2023

What is CVE-2023-31129?

The Contiki-NG operating system versions 4.8 and earlier are susceptible to a null pointer dereference vulnerability in their IPv6 router solicitation handling mechanism. This issue arises when the system fails to validate the source link-layer address option during router solicitation messages, resulting in the inadvertent dereferencing of a null pointer. Affected users are encouraged to implement a patch available in pull request #2271 or await the upcoming 4.9 version of Contiki-NG, which will address this vulnerability.

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Deploy the Patch

Affected Version(s)

contiki-ng <= 4.8

References

https://github.com/contiki-ng/contiki-ng/security/advisor...
x_refsource_CONFIRM
https://github.com/contiki-ng/contiki-ng/pull/2271
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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