RIOT-OS prior 2022.10 6LoWPAN Frame null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in RIOT-OS and classified as problematic. This issue affects some unknown processing of the component 6LoWPAN Frame Handler. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2023-24822. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in RIOT-OS and classified as critical. This vulnerability affects an unknown code of the component 6LoWPAN Frame Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

RIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2022.10, an attacker can send a crafted frame to the device resulting in a NULL pointer dereference while encoding a 6LoWPAN IPHC header. The NULL pointer dereference causes a hard fault exception, leading to denial of service. Version 2022.10 fixes this issue. As a workaround, apply the patches manually.

The weakness was presented 04/24/2023 as GHSA-8x69-5fhj-72wh. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-24822 since 01/30/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 2022.10 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RIOT-OS 2022.10
Patch: github.com

Timelineinfo

01/30/2023 🔍
04/24/2023 +83 days 🔍
04/24/2023 +0 days 🔍
04/24/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSA-8x69-5fhj-72wh
Status: Confirmed

CVE: CVE-2023-24822 (🔍)
GCVE (CVE): GCVE-0-2023-24822
GCVE (VulDB): GCVE-100-227308

Entryinfo

Created: 04/24/2023 20:34
Changes: 04/24/2023 20:34 (50)
Complete: 🔍
Cache ID: 216::103

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