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Gentoo Linux Security Advisory                           GLSA 202405-11
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: MIT krb5: Multiple Vulnerabilities
     Date: May 05, 2024
     Bugs: #803434, #809845, #879875, #917464
       ID: 202405-11

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Synopsis
========

Multiple vulnerabilities have been discovered in MIT krb5, the worst of
which could lead to remote code execution.

Background
==========

MIT krb5 is the free implementation of the Kerberos network
authentication protocol by the Massachusetts Institute of Technology.

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

Package             Vulnerable    Unaffected
------------------  ------------  ------------
app-crypt/mit-krb5  < 1.21.2      >= 1.21.2

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

Multiple vulnerabilities have been discovered in MIT krb5. 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 MIT krb5 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-crypt/mit-krb5-1.21.2"

References
==========

[ 1 ] CVE-2021-36222
      https://nvd.nist.gov/vuln/detail/CVE-2021-36222
[ 2 ] CVE-2021-37750
      https://nvd.nist.gov/vuln/detail/CVE-2021-37750
[ 3 ] CVE-2022-42898
      https://nvd.nist.gov/vuln/detail/CVE-2022-42898
[ 4 ] CVE-2023-36054
      https://nvd.nist.gov/vuln/detail/CVE-2023-36054
[ 5 ] CVE-2023-39975
      https://nvd.nist.gov/vuln/detail/CVE-2023-39975

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

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

 https://security.gentoo.org/glsa/202405-11

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 2024 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