CWE-1324: DEPRECATED: Sensitive Information Accessible by Physical Probing of JTAG Interface
Learn about CWE-1324 (DEPRECATED: Sensitive Information Accessible by Physical Probing of JTAG Interface), its security impact, exploitation methods, and prevention guidelines.
What is DEPRECATED: Sensitive Information Accessible by Physical Probing of JTAG Interface?
• Overview: A deprecated vulnerability where sensitive information could be accessed through physical probing of the JTAG interface, which is a hardware debugging interface commonly used in development but can expose critical data if not secured.
• Exploitation Methods:
- Attackers can physically access the JTAG interface to extract sensitive data from the device.
- Techniques may include using specialized tools to read or manipulate data through the JTAG port.
• Security Impact:
- Direct consequences include unauthorized access to sensitive information such as encryption keys or proprietary code.
- Potential cascading effects include compromised system integrity and further exploitation of the device.
- Business impact can be severe, leading to data breaches, intellectual property theft, and loss of customer trust.
• Prevention Guidelines:
- Disable the JTAG interface on production devices if it is not necessary for operation.
- Implement secure boot mechanisms to prevent unauthorized code execution via JTAG.
- Use physical security measures to restrict access to devices and their JTAG interfaces.
- Incorporate security best practices such as encryption and tamper detection to protect data.
- Employ tools and frameworks that offer secure debugging and interface protection features.
Technical Details
Likelihood of Exploit: Not specified
Affected Languages: Not specified
Affected Technologies: Not specified