Moderate: tpm2-tools security and enhancement update
Summary
ALSA-2021:4413: Moderate: tpm2-tools security and enhancement update. Affects tpm2-tools versions < 4.1.1-5.el8. Fixed in 4.1.1-5.el8. How to fix ↓
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Background
The tpm2-tools package provides a set of utilities for managing and utilizing Trusted Platform Module (TPM) 2.0 devices from user space. It offers various functionalities related to TPM, such as key management, encryption, and secure storage. These tools are commonly used in systems that require hardware-based security features.
Vulnerability Detail
The tpm2-tools package is affected by a moderate security vulnerability (CVE-2021-3565). The specific issue is related to the AES wrapping key in the tpm2_import utility. This vulnerability could potentially allow an attacker to exploit the AES wrapping key and gain unauthorized access to sensitive information or perform unauthorized actions on the TPM device. The impact of this vulnerability can vary depending on the system's configuration and the data stored in the TPM.
How To Fix
Minimum fixed version
4.1.1-5.el8
This is the first release that contains the fix.
sudo dnf update tpm2-toolsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. It is advised to apply the recommended fix by updating the tpm2-tools package.
Conclusion
The tpm2-tools package is affected by a moderate security vulnerability related to the AES wrapping key in the tpm2_import utility. To mitigate this vulnerability, it is recommended to update the package to version 4.1.1-5.el8 or later. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for tpm2-tools →
FAQ
tpm2-tools is a collection of utilities for managing and utilizing Trusted Platform Module (TPM) 2.0 devices from user space. It provides functionalities related to key management, encryption, and secure storage.
The impact of this vulnerability can vary depending on the system's configuration and the data stored in the TPM. It could potentially allow an attacker to gain unauthorized access to sensitive information or perform unauthorized actions on the TPM device.
To fix this vulnerability, update the tpm2-tools package to version 4.1.1-5.el8 or later. This update includes the necessary security patches to address the AES wrapping key issue.
There is no specific workaround mentioned for this vulnerability. It is advised to apply the recommended fix by updating the tpm2-tools package.
For more information about this vulnerability, including the impact, CVSS score, and acknowledgments, refer to the CVE page(s) listed in the References section of the AlmaLinux Release Notes.
References
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