– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 201607-08
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
https://security.gentoo.org/
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Severity: Normal
Title: Dropbear: Privilege escalation
Date: July 20, 2016
Bugs: #577050
ID: 201607-08
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Synopsis
========
A vulnerability has been found in Dropbear, which allows remote
authenticated users to bypass intended shell-command restrictions.
Background
==========
Dropbear is a relatively small SSH server and client.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-misc/dropbear < 2016.73 >= 2016.73
Description
===========
A CRLF injection vulnerability in Dropbear SSH allows remote
authenticated users to bypass intended shell-command restrictions via
crafted X11 forwarding data.
Impact
======
A remote authenticated user could execute arbitrary code with the
privileges of the process.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Dropbear users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=net-misc/dropbear-2016.73”
References
==========
[ 1 ] CVE-2016-3116
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3116
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201607-08
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 2016 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
<html>
<head>
<meta http-equiv=”content-type” content=”text/html; charset=utf-8″>
</head>
<body bgcolor=”#FFFFFF” text=”#000000″>
<p>
<meta http-equiv=”content-type” content=”text/html; charset=utf-8″>
</p>
<pre style=”color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; white-space: pre-wrap;”>- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 201607-08
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
<a class=”moz-txt-link-freetext” href=”https://security.gentoo.org/”>https://security.gentoo.org/</a>
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Severity: Normal
Title: Dropbear: Privilege escalation
Date: July 20, 2016
Bugs: #577050
ID: 201607-08
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Synopsis
========
A vulnerability has been found in Dropbear, which allows remote
authenticated users to bypass intended shell-command restrictions.
Background
==========
Dropbear is a relatively small SSH server and client.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-misc/dropbear < 2016.73 >= 2016.73
Description
===========
A CRLF injection vulnerability in Dropbear SSH allows remote
authenticated users to bypass intended shell-command restrictions via
crafted X11 forwarding data.
Impact
======
A remote authenticated user could execute arbitrary code with the
privileges of the process.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Dropbear users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=net-misc/dropbear-2016.73”
References
==========
[ 1 ] CVE-2016-3116
<a class=”moz-txt-link-freetext” href=”http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3116″>http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3116</a>
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
<a class=”moz-txt-link-freetext” href=”https://security.gentoo.org/glsa/201607-08″>https://security.gentoo.org/glsa/201607-08</a>
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
<a class=”moz-txt-link-abbreviated” href=”mailto:security@gentoo.org”>security@gentoo.org</a> or alternatively, you may file a bug at
<a class=”moz-txt-link-freetext” href=”https://bugs.gentoo.org”>https://bugs.gentoo.org</a>.
License
=======
Copyright 2016 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.
<a class=”moz-txt-link-freetext” href=”http://creativecommons.org/licenses/by-sa/2.5″>http://creativecommons.org/licenses/by-sa/2.5</a></pre>
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