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Red Hat Enterprise Linux 8 RHSA-2021-4413 Moderate: tpm2-tools AES Impact

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
Canonical has issued a significant security enhancement for snapd, remedying a serious privilege escalation vulnerability for Ubuntu 20.04.
An update for tpm2-tools is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The tpm2-tools packages add a set of utilities for management and utilization of Trusted Platform Module (TPM) 2.0 devices from user space.
Security Fix(es):
* tpm2-tools: fixed AES wrapping key in tpm2_import (CVE-2021-3565)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Moderate tpm2-tools AES issue

References

https://access.redhat.com/security/cve/CVE-2021-3565 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.5_release_notes/index

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: tpm2-tools-4.1.1-5.el8.src.rpm
aarch64: tpm2-tools-4.1.1-5.el8.aarch64.rpm tpm2-tools-debuginfo-4.1.1-5.el8.aarch64.rpm tpm2-tools-debugsource-4.1.1-5.el8.aarch64.rpm
ppc64le: tpm2-tools-4.1.1-5.el8.ppc64le.rpm tpm2-tools-debuginfo-4.1.1-5.el8.ppc64le.rpm tpm2-tools-debugsource-4.1.1-5.el8.ppc64le.rpm
s390x: tpm2-tools-4.1.1-5.el8.s390x.rpm tpm2-tools-debuginfo-4.1.1-5.el8.s390x.rpm tpm2-tools-debugsource-4.1.1-5.el8.s390x.rpm
x86_64: tpm2-tools-4.1.1-5.el8.x86_64.rpm tpm2-tools-debuginfo-4.1.1-5.el8.x86_64.rpm tpm2-tools-debugsource-4.1.1-5.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Advisory ID: RHSA-2021:4413-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4413
Issue date: 2021-11-09

Topic

An update for tpm2-tools is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Moderate tpm2-tools AES issue

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1964427 - CVE-2021-3565 tpm2-tools: fixed AES wrapping key in tpm2_import

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