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CVE-2017-18347

4.6 · MEDIUM

Incorrect access control in RDP Level 1 on STMicroelectronics STM32F0 series devices allows physically present attackers to extract the device's protected firmware via a special sequence of Serial…

Published Sep 12, 2018CWE-362EPSS 0.40%

Overview

CVE-2017-18347 is a medium-severity vulnerability. It was published on September 12, 2018 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Incorrect access control in RDP Level 1 on STMicroelectronics STM32F0 series devices allows physically present attackers to extract the device's protected firmware via a special sequence of Serial Wire Debug (SWD) commands because there is a race condition between full initialization of the SWD interface and the setup of flash protection.

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

Refcommunity.st.com/s/question/0D50X00009Xke7aSAB/readout-protection-cracked-on-stm32Refwww.aisec.fraunhofer.de/en/FirmwareProtection.htmlRefwww.usenix.org/conference/woot17/workshop-program/presentation/obermaierRefcommunity.st.com/s/question/0D50X00009Xke7aSAB/readout-protection-cracked-on-stm32Refwww.aisec.fraunhofer.de/en/FirmwareProtection.htmlRefwww.usenix.org/conference/woot17/workshop-program/presentation/obermaier

How CyberStrike helps

Frequently asked questions

What is CVE-2017-18347?

CVE-2017-18347 is a medium-severity vulnerability. It was published on September 12, 2018 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2017-18347?

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-18347?

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-2017-18347?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-18347 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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