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Sigurnosni nedostatak programskog paketa Dropbear

  • Detalji os-a: WN7
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LGE

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Gentoo Linux Security Advisory GLSA 201607-08
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https://security.gentoo.org/
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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

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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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AutorMarko Stanec
Cert idNCERT-REF-2016-07-0076-ADV
CveCERT-CVE-DUMMY
ID izvornikaCERT-ORIGID-DUMMY
ProizvodCERT-DUMMY-PRODUCT
Izvorhttp://www.adobe.com/
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