Vulnerability-Lookup

VAR-202411-2619

Vulnerability from variot - Updated: 2025-04-18 03:48

Contiki-NG is an open-source, cross-platform operating system for IoT devices. An unaligned memory access can be triggered in the two RPL implementations of the Contiki-NG operating system. The problem can occur when either one of these RPL implementations is enabled and connected to an RPL instance. If an IPv6 packet containing an odd number of padded bytes before the RPL option, it can cause the rpl_ext_header_hbh_update function to read a 16-bit integer from an odd address. The impact of this unaligned read is architecture-dependent, but can potentially cause the system to crash. The problem has not been patched as of release 4.9, but will be included in the next release. One can apply the changes in Contiki-NG pull request #2962 to patch the system or wait for the next release. Contiki-NG Exists in a vulnerability related to illegal type conversion.Service operation interruption (DoS) It may be in a state

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CVE-2024-47181 (GCVE-0-2024-47181)

Vulnerability from cvelistv5 – Published: 2024-11-27 18:20 – Updated: 2024-11-27 19:20

Title

Unaligned memory access in RPL option processing in Contiki-NG

Summary

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-704 - Incorrect Type Conversion or Cast

Assigner

GitHub_M

References

URL

Tags

	https://github.com/contiki-ng/contiki-ng/security…	x_refsource_CONFIRM
	https://github.com/contiki-ng/contiki-ng/pull/2962	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	contiki-ng	contiki-ng	Affected: <= 4.9

Show details on NVD website

JSON

To clipboard

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                "version": "0",
                "versionType": "custom"
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202411-2619

CVE-2024-47181 (GCVE-0-2024-47181)

Tags

Sightings

Nomenclature