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CVE-2022-36054

6.8 · MEDIUM

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices.

Published Sep 1, 2022CWE-787EPSS 0.76%

Overview

CVE-2022-36054 is a medium-severity vulnerability. It was published on September 1, 2022 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. The 6LoWPAN implementation in the Contiki-NG operating system (file os/net/ipv6/sicslowpan.c) contains an input function that processes incoming packets and copies them into a packet buffer. Because of a missing length check in the input function, it is possible to write outside the packet buffer's boundary. The vulnerability can be exploited by anyone who has the possibility to send 6LoWPAN packets to a Contiki-NG system. In particular, the vulnerability is exposed when sending either of two types of 6LoWPAN packets: an unfragmented packet or the first fragment of a fragmented packet. If the packet is sufficiently large, a subsequent memory copy will cause an out-of-bounds write with data supplied by the attacker.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/contiki-ng/contiki-ng/pull/1648GitHubgithub.com/contiki-ng/contiki-ng/security/advisories/GHSA-c36p-vhwg-244cGitHubgithub.com/contiki-ng/contiki-ng/pull/1648GitHubgithub.com/contiki-ng/contiki-ng/security/advisories/GHSA-c36p-vhwg-244c

How CyberStrike helps

Frequently asked questions

What is CVE-2022-36054?

CVE-2022-36054 is a medium-severity vulnerability. It was published on September 1, 2022 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2022-36054?

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-36054?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-36054?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-36054 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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