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From: Kristian Fiskerstrand <k_f@gentoo.org>
Reply-To: k_f@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <53f4ebb3-e405-d86b-b091-cd1406114953@gentoo.org>
Subject: [ GLSA 201706-16 ] GNU Wget: Header injection

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Gentoo Linux Security Advisory                           GLSA 201706-16
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: GNU Wget: Header injection
     Date: June 20, 2017
     Bugs: #612326
       ID: 201706-16

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Synopsis
========

A header injection vulnerability in GNU Wget might allow remote
attackers to inject arbitrary HTTP headers.

Background
==========

GNU Wget is a free software package for retrieving files using HTTP,
HTTPS and FTP, the most widely-used Internet protocols.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/wget              < 1.19.1-r1              >= 1.19.1-r1

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

It was discovered that there was a header injection vulnerability in
GNU Wget which allowed remote attackers to inject arbitrary HTTP
headers via CRLF sequences in the host subcomponent of a URL.

Impact
======

A remote attacker could inject arbitrary HTTP headers in requests by
tricking a user running GNU Wget into processing crafted URLs.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GNU Wget users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/wget-1.19.1-r1"

References
==========

[ 1 ] CVE-2017-6508
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6508

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

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

 https://security.gentoo.org/glsa/201706-16

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 2017 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.

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


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