CVE-2024-41126: Detailed Vulnerability Analysis and Overview

Status: Received - Published on 27-11-2024

CVE-2024-41126
Vulnerability Scoring

8.3
/10

Attack Complexity Details

  • Attack Complexity: HIGH IMPACT
  • Attack Vector: ADJACENT_NETWORK
  • Privileges Required: None
  • Scope: CHANGED
  • User Interaction: NONE

CIA Impact Definition

  • Confidentiality: HIGH IMPACT
  • Integrity: HIGH IMPACT
  • Availability: HIGH IMPACT

CVE-2024-41126 Vulnerability Summary

Contiki-NG is an open-source, cross-platform operating system for IoT devices. An out-of-bounds read of 1 byte can be triggered when sending a packet to a device running the Contiki-NG operating system with SNMP enabled. The SNMP module is disabled in the default Contiki-NG configuration. The vulnerability exists in the os/net/app-layer/snmp/snmp-message.c module, where the snmp_message_decode function fails to check the boundary of the message buffer when reading a byte from it immediately after decoding an object identifier (OID). The problem has been patched in Contiki-NG pull request 2937. It will be included in the next release of Contiki-NG. Users are advised to either apply the patch manually or to wait for the next release. A workaround is to disable the SNMP module in the Contiki-NG build configuration.

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Access Complexity Graph for CVE-2024-41126

Impact Analysis for CVE-2024-41126

CVE-2024-41126: Detailed Information and External References

EPSS

0.00043

EPSS %

0.10929

References

0.00043

CWE

CWE-125

CAPEC

0.00043

  • Overread Buffers: An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

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

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