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Gentoo Linux Security Advisory                           GLSA 202210-11
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: schroot: Denial of Service
     Date: October 31, 2022
     Bugs: #867016
       ID: 202210-11

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Synopsis
========

A vulnerability has been discovered in schroot which could result in
denial of service of the schroot service.

Background
==========

schroot is a utility to execute commands in a chroot environment.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-util/schroot           < 1.6.13_p2              >= 1.6.13_p2

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

schroot is unecessarily permissive in rules regarding chroot and session
names.

Impact
======

A crafted chroot or session name can break the internal state of the
schroot service, leading to denial of service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All schroot users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-util/schroot-1.6.13"

References
==========

[ 1 ] CVE-2022-2787
      https://nvd.nist.gov/vuln/detail/CVE-2022-2787

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

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

 https://security.gentoo.org/glsa/202210-11

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 2022 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
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