NCSC Feed: ROCA: Infineon TPM and Secure Element RSA Vulnerability Guidance

Source URL: https://www.ncsc.gov.uk/guidance/roca-infineon-tpm-and-secure-element-rsa-vulnerability-guidance
Source: NCSC Feed
Title: ROCA: Infineon TPM and Secure Element RSA Vulnerability Guidance

Feedly Summary: Guidance for those who want to understand and reduce the impact of the ROCA vulnerability.

AI Summary and Description: Yes

Summary: The provided text discusses the implementation and vulnerabilities of Trusted Platform Modules (TPMs) and Secure Elements (SEs) in various devices. It emphasizes the significance of these components for cryptographic operations and security measures, while also addressing potential vulnerabilities due to firmware issues. This information is particularly relevant for professionals concerned with hardware security and information security compliance.

Detailed Description:

The text provides a comprehensive overview of Trusted Platform Modules (TPMs) and Secure Elements (SEs), detailing their roles, applications, and associated vulnerabilities. Here are the major points covered in the text:

– **Trusted Platform Modules (TPMs)**:
– Found in a variety of devices including enterprise client PCs, servers, consumer PCs, and Chrome OS devices.
– Serve as dedicated security components for performing cryptographic operations in a secure environment.
– Protect data in scenarios such as lost mobile devices and facilitate the storage and processing of cryptographic keys used for:
– Authentication of devices and users.
– Email encryption (S/MIME and PGP).
– Virtual Private Networks (VPNs).
– Transmission Layer Security (TLS) and Secure Shell (SSH) connections.
– Certificate authorities and software signing.

– **Secure Elements (SEs)**:
– Found in embedded devices like smart cards and security tokens as well as some mobile devices.
– Provide secure environments for cryptographic processing similar to TPMs.
– Used in comparable use cases for safeguarding sensitive data.

– **Vulnerabilities**:
– Users must determine if their TPM or SE contains affected devices and whether they have a vulnerable firmware version.
– Identification if certain features are configured to use RSA key generation in vulnerable TPMs or SEs is critical.

– **Vendor Announcements**:
– Major companies like Microsoft, Google (Chrome OS), Yubico, and Gemalto have publicly acknowledged the vulnerability and its impact on their products.
– Anticipation of further advisories from additional device and software vendors in the future.

– **User Recommendations**:
– Users who have unlisted devices should reach out to their vendors or resellers for assistance.
– Availability of tests from researchers to check if RSA public keys are vulnerable, offering an avenue for users to analyze the impact on their devices.

Overall, the provided information underscores the importance of hardware security in today’s digital landscape and serves as a crucial alert for compliance and risk management strategies related to cryptographic vulnerabilities in widely used devices.