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Gentoo Linux Security Advisory                           GLSA 202401-07
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: R: Directory Traversal
     Date: January 06, 2024
     Bugs: #765361
       ID: 202401-07

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Synopsis
========

A vulnerability was found in R which could allow for remote code
execution.

Background
==========

R is a language and environment for statistical computing and graphics.

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

Package     Vulnerable    Unaffected
----------  ------------  ------------
dev-lang/R  < 4.0.4       >= 4.0.4

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

The native R package installation mechanisms do not sufficiently
validate installed source packages for path traversal.

Impact
======

Installation of a malicious R package could result in an arbitrary file
overwrite which could result in arbitrary code execution, as might be
seen with the overwrite of an authorized_keys file.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All R users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-lang/R-4.0.4"

References
==========

[ 1 ] CVE-2020-27637
      https://nvd.nist.gov/vuln/detail/CVE-2020-27637
[ 2 ] -fno-common
[ 3 ] gcc-10

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

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

 https://security.gentoo.org/glsa/202401-07

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