CVE-2017-18347 : Vulnerability Insights and Analysis
Learn about CVE-2017-18347, an access control vulnerability on STMicroelectronics STM32F0 series devices allowing attackers to extract protected firmware. Find mitigation steps and prevention measures.
This CVE-2017-18347 article provides insights into the inadequate access control vulnerability in RDP Level 1 on STMicroelectronics STM32F0 series devices, allowing attackers to extract protected firmware.
Understanding CVE-2017-18347
This section delves into the specifics of the vulnerability and its impact.
What is CVE-2017-18347?
The inadequate access control in RDP Level 1 on STMicroelectronics STM32F0 series devices enables physically present attackers to extract the device's protected firmware using a specific sequence of SWD commands due to a race condition.
The Impact of CVE-2017-18347
The vulnerability allows attackers to bypass security measures and access protected firmware, potentially leading to unauthorized access and data theft.
Technical Details of CVE-2017-18347
Explore the technical aspects of the vulnerability in this section.
Vulnerability Description
The vulnerability arises from a race condition between the SWD interface initialization and flash protection setup, enabling attackers to extract protected firmware.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: n/a
Exploitation Mechanism
Attackers exploit the inadequate access control in RDP Level 1 on STMicroelectronics STM32F0 series devices by executing a specific sequence of SWD commands to extract protected firmware.
Mitigation and Prevention
Discover the steps to mitigate and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Implement strict physical access controls to prevent unauthorized individuals from connecting to the device.
- Regularly monitor and audit physical access to detect any suspicious activities.
Long-Term Security Practices
- Encrypt sensitive firmware to protect it from unauthorized extraction.
- Keep firmware updated with the latest security patches to address known vulnerabilities.
Patching and Updates
Ensure that the devices are updated with the latest firmware patches provided by STMicroelectronics to address the access control vulnerability.