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Gentoo Linux Security Advisory                           GLSA 202101-23
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: PEAR Archive_Tar: Directory traversal
     Date: January 26, 2021
     Bugs: #755653, #766036
       ID: 202101-23

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Synopsis
========

Multiple vulnerabilities have been found in PEAR Archive_Tar, the worst
of which could result in the arbitrary execution of code.

Background
==========

This class provides handling of tar files in PHP.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-php/PEAR-Archive_Tar
                                  < 1.4.12                  >= 1.4.12

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

Multiple vulnerabilities have been discovered in PEAR Archive_Tar.
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 PEAR-Archive_Tar users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=dev-php/PEAR-Archive_Tar-1.4.12"

References
==========

[ 1 ] CVE-2020-28948
      https://nvd.nist.gov/vuln/detail/CVE-2020-28948
[ 2 ] CVE-2020-28949
      https://nvd.nist.gov/vuln/detail/CVE-2020-28949
[ 3 ] CVE-2020-36193
      https://nvd.nist.gov/vuln/detail/CVE-2020-36193

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

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

 https://security.gentoo.org/glsa/202101-23

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 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.

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