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Gentoo Linux Security Advisory                           GLSA 202301-08
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Mbed TLS: Multiple Vulnerabilities
     Date: January 11, 2023
     Bugs: #857813, #829660, #801376, #778254, #764317, #740108, #730752
       ID: 202301-08

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Synopsis
========

Multiple vulnerabilities have been discovered in Mbed TLS, the worst of
which could result in arbitrary code execution.

Background
==========

Mbed TLS (previously PolarSSL) is an “easy to understand, use, integrate
and expand” implementation of the TLS and SSL protocols and the
respective cryptographic algorithms and support code required.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-libs/mbedtls           < 2.28.1                    >= 2.28.1

Description
===========

Multiple vulnerabilities have been discovered in Mbed TLS. Please review
the CVE identifiers referenced below for details.

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Mbed TLS users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-libs/mbedtls-2.28.1"

References
==========

[ 1 ] CVE-2020-16150
      https://nvd.nist.gov/vuln/detail/CVE-2020-16150
[ 2 ] CVE-2020-36421
      https://nvd.nist.gov/vuln/detail/CVE-2020-36421
[ 3 ] CVE-2020-36422
      https://nvd.nist.gov/vuln/detail/CVE-2020-36422
[ 4 ] CVE-2020-36423
      https://nvd.nist.gov/vuln/detail/CVE-2020-36423
[ 5 ] CVE-2020-36424
      https://nvd.nist.gov/vuln/detail/CVE-2020-36424
[ 6 ] CVE-2020-36425
      https://nvd.nist.gov/vuln/detail/CVE-2020-36425
[ 7 ] CVE-2020-36426
      https://nvd.nist.gov/vuln/detail/CVE-2020-36426
[ 8 ] CVE-2020-36475
      https://nvd.nist.gov/vuln/detail/CVE-2020-36475
[ 9 ] CVE-2020-36476
      https://nvd.nist.gov/vuln/detail/CVE-2020-36476
[ 10 ] CVE-2020-36477
      https://nvd.nist.gov/vuln/detail/CVE-2020-36477
[ 11 ] CVE-2020-36478
      https://nvd.nist.gov/vuln/detail/CVE-2020-36478
[ 12 ] CVE-2021-43666
      https://nvd.nist.gov/vuln/detail/CVE-2021-43666
[ 13 ] CVE-2021-44732
      https://nvd.nist.gov/vuln/detail/CVE-2021-44732
[ 14 ] CVE-2021-45450
      https://nvd.nist.gov/vuln/detail/CVE-2021-45450
[ 15 ] CVE-2022-35409
      https://nvd.nist.gov/vuln/detail/CVE-2022-35409

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202301-08

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.

License
=======

Copyright 2023 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.

https://creativecommons.org/licenses/by-sa/2.5