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Gentoo Linux Security Advisory                           GLSA 201805-11
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Rootkit Hunter: User-assisted execution of arbitrary code
     Date: May 26, 2018
     Bugs: #623150
       ID: 201805-11

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Synopsis
=======
A vulnerability has been found in Rootkit Hunter that allows a remote
attacker to execute arbitrary code.

Background
=========
Scans for known and unknown rootkits, backdoors, and sniffers.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-forensics/rkhunter       < 1.4.6                    >= 1.4.6 

Description
==========
A vulnerability was discovered in Rootkit Hunter that allows the
downloading of mirror updates over insecure channels (HTTP). 
Furthermore, the mirror update is then executed in Bash.

Impact
=====
A remote attacker, by performing a man-in-the-middle attack, could
execute arbitrary code, conduct a Denial of Service, or have other
unspecified impacts.

Workaround
=========
Users are advised to not trust insecure protocols such as HTTP and to
turn off any mirror updates utilizing such channels.

Resolution
=========
All Rootkit Hunter users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-forensics/rkhunter-1.4.6"

References
=========
[ 1 ] CVE-2017-7480
      https://nvd.nist.gov/vuln/detail/CVE-2017-7480

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

 https://security.gentoo.org/glsa/201805-11

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 2018 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/