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Gentoo: GLSA 202107-10 Normal: TCG TPM2 Information Leak

gentoo
Calendar Grey July 7, 2021
Dist Gentoo Esm H88
Gentoo GLSA 202112-15 resolves a vulnerability in the XYZ package leading to remote privilege escalation. Update promptly to safeguard your environment.
A bug in TCG TPM2 Software Stack may result in information disclosure to a local attacker.

Summary

TCG TPM2 Software Stack did not appropriately apply FAPI policies to protect data encrypted with the trusted platform module.

Topics%20covered

Topics Covered

security advisory gentoo software update information disclosure normal severity tpm2

Resolution

All tpm2-tss users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/tpm2-tss-2.4.3"

References

[ 1 ] CVE-2020-24455 https://nvd.nist.gov/vuln/detail/CVE-2020-24455

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202107-10
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: TCG TPM2 Software Stack: Information disclosure
Date: July 07, 2021
Bugs: #746563
ID: 202107-10

Topics%20covered

Topics Covered

security advisory gentoo software update information disclosure normal severity tpm2

Synopsis

A bug in TCG TPM2 Software Stack may result in information disclosure to a local attacker.

Background

TCG TPM2 Software Stack is a library to interface with trusted platform modules.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-crypt/tpm2-tss < 2.4.3 >= 2.4.3

Impact

===== Data encrypted using TCG TPM2 Software Stack (tpm2-tss) may not be protected from an attacker.

Workaround

There is no known workaround at this time.