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CVE-2024-45746

9.8 · CRITICAL

An issue was discovered in Trusted Firmware-M through 2.1.0.

Published Oct 9, 2024CWE-120EPSS 0.81%

Overview

CVE-2024-45746 is a critical-severity vulnerability. It was published on October 9, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An issue was discovered in Trusted Firmware-M through 2.1.0. User provided (and controlled) mailbox messages contain a pointer to a list of input arguments (in_vec) and output arguments (out_vec). These list pointers are never validated. Each argument list contains a buffer pointer and a buffer length field. After a PSA call, the length of the output arguments behind the unchecked pointer is updated in mailbox_direct_reply, regardless of the call result. This allows an attacker to write anywhere in the secure firmware, which can be used to take over the control flow, leading to remote code execution (RCE).

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

Reftrustedfirmware-m.readthedocs.io/en/latest/security/security_advisories/user_pointers_mailbox_vectors_vulnerability.htmlRefwww.trustedfirmware.org/projects/tf-m/

How CyberStrike helps

Frequently asked questions

What is CVE-2024-45746?

CVE-2024-45746 is a critical-severity vulnerability. It was published on October 9, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-45746?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-45746?

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-2024-45746?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-45746 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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