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CVE-2024-38373

9.6 · CRITICAL

FreeRTOS-Plus-TCP is a lightweight TCP/IP stack for FreeRTOS.

Published Jun 24, 2024CWE-126EPSS 0.61%

Overview

CVE-2024-38373 is a critical-severity vulnerability. It was published on June 24, 2024 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

FreeRTOS-Plus-TCP is a lightweight TCP/IP stack for FreeRTOS. FreeRTOS-Plus-TCP versions 4.0.0 through 4.1.0 contain a buffer over-read issue in the DNS Response Parser when parsing domain names in a DNS response. A carefully crafted DNS response with domain name length value greater than the actual domain name length, could cause the parser to read beyond the DNS response buffer. This issue affects applications using DNS functionality of the FreeRTOS-Plus-TCP stack. Applications that do not use DNS functionality are not affected, even when the DNS functionality is enabled. This vulnerability has been patched in version 4.1.1.

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/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.1.1GitHubgithub.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-ppcp-rg65-58mvGitHubgithub.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.1.1GitHubgithub.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-ppcp-rg65-58mv

How CyberStrike helps

Frequently asked questions

What is CVE-2024-38373?

CVE-2024-38373 is a critical-severity vulnerability. It was published on June 24, 2024 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2024-38373?

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-38373?

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-2024-38373?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-38373 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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