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Gentoo Linux Security Advisory GLSA 201802-05
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https://security.gentoo.org/
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Severity: Normal
Title: Ruby: Command injection
Date: February 20, 2018
Bugs: #641090
ID: 201802-05
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Synopsis
========
A vulnerability has been found in Ruby which may allow for arbitrary
command execution.
Background
==========
Ruby is an interpreted object-oriented programming language. The
elaborate standard library includes an HTTP server (“WEBRick”) and a
class for XML parsing (“REXML”).
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 dev-lang/ruby < 2.2.9:2.2 >= 2.2.9:2.2
Description
===========
A command injection flaw was discovered in Net::FTP which impacts Ruby.
Impact
======
A remote attacker, by enticing a user to download and open a crafted
file from a malicious FTP server, could execute arbitrary commands with
the privileges of the process.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Ruby users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=dev-lang/ruby-2.2.9:2.2”
References
==========
[ 1 ] CVE-2017-17405
https://nvd.nist.gov/vuln/detail/CVE-2017-17405
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201802-05
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
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