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CVE-2023-24821 Detail

Description

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 large out of bounds write beyond the packet buffer. The write will create a hard fault exception after reaching the last page of RAM. The hard fault is not handled and the system will be stuck until reset, thus the impact is denial of service. Version 2022.10 fixes this issue. As a workaround, disable support for fragmented IP datagrams or apply the patches manually.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/RIOT-OS/RIOT/pull/18817/commits/9728f727e75d7d78dbfb5918e0de1b938b7b6d2c Patch 
https://github.com/RIOT-OS/RIOT/pull/18817/commits/9728f727e75d7d78dbfb5918e0de1b938b7b6d2c Patch 
https://github.com/RIOT-OS/RIOT/pull/18820/commits/bd31010231f5340e21410595dd95afc86bbfd341 Patch 
https://github.com/RIOT-OS/RIOT/pull/18820/commits/bd31010231f5340e21410595dd95afc86bbfd341 Patch 
https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-2fpr-82xr-p887 Patch  Vendor Advisory 
https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-2fpr-82xr-p887 Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-191 Integer Underflow (Wrap or Wraparound) GitHub, Inc.  
CWE-787 Out-of-bounds Write GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-24821
NVD Published Date:
04/24/2023
NVD Last Modified:
11/21/2024
Source:
GitHub, Inc.