[gentoo-announce] [ GLSA 202107-10 ] TCG TPM2 Software Stack: Information disclosure

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – Gentoo Linux Security Advisory GLSA 202107-10 – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – security.gentoo.org/ – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Severity: Normal Title: TCG TPM2 Software Stack: Information disclosure Date: July 07, 2021 Bugs: #746563 ID: 202107-10
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
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.
Affected packages =================
——————————————————————- Package / Vulnerable / Unaffected ——————————————————————- 1 app-crypt/tpm2-tss < 2.4.3 >= 2.4.3
Description ===========
TCG TPM2 Software Stack did not appropriately apply FAPI policies to protect data encrypted with the trusted platform module.
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.
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 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:
security.gentoo.org/glsa/202107-10
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 bugs.gentoo.org.
License =======
Copyright 2021 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons – Attribution / Share Alike license.
creativecommons.org/licenses/by-sa/2.5