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Sicherheit: Ausführen beliebiger Kommandos in gVim und vim
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in gVim und vim
ID: 201701-29
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Mi, 11. Januar 2017, 17:10
Referenzen: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1248

Originalnachricht

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <7c5345d3-1fef-f8f1-96dc-547fafb1e605@gentoo.org>
Subject: [ GLSA 201701-29 ] Vim, gVim: Remote execution of arbitrary code

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201701-29
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https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: Vim, gVim: Remote execution of arbitrary code
Date: January 11, 2017
Bugs: #600650
ID: 201701-29

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

A vulnerability has been found in Vim and gVim concerning how certain
modeline options are treated.

Background
==========

Vim is an efficient, highly configurable improved version of the
classic 'vi' text editor. gVim is the GUI version of Vim.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-editors/vim < 8.0.0106 >= 8.0.0106
2 app-editors/gvim < 8.0.0106 >= 8.0.0106
-------------------------------------------------------------------
2 affected packages

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

Vim and gVim do not properly validate values for the 'filetype',
'syntax', and 'keymap' options.

Impact
======

A remote attacker could entice a user to open a specially crafted file
using Vim/gVim with certain modeline options enabled possibly resulting
in execution of arbitrary code with the privileges of the process.

Workaround
==========

Disabling modeline support in .vimrc by adding "set nomodeline" will
prevent exploitation of this flaw. By default, modeline is enabled for
ordinary users but disabled for root.

Resolution
==========

All Vim users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-editors/vim-8.0.0106"

All gVim users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-editors/gvim-8.0.0106"

References
==========

[ 1 ] CVE-2016-1248
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1248

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

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

https://security.gentoo.org/glsa/201701-29

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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Gentoo Linux Security Advisory GLSA 201701-29
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
<a
class=3D"moz-txt-link-freet=
ext" href=3D"https://security.gentoo.org/">https://security.gentoo.org/</=
a>
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Severity: Normal
Title: Vim, gVim: Remote execution of arbitrary code
Date: January 11, 2017
Bugs: #600650
ID: 201701-29

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=3D=3D=3D=3D=3D=3D=3D=3D

A vulnerability has been found in Vim and gVim concerning how certain
modeline options are treated.

Background
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Vim is an efficient, highly configurable improved version of the
classic 'vi' text editor. gVim is the GUI version of Vim.

Affected packages
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-editors/vim &lt; 8.0.0106 &gt;=3D
8.0.=
0106=20
2 app-editors/gvim &lt; 8.0.0106 &gt;=3D
8.0.=
0106=20
-------------------------------------------------------------------
2 affected packages

Description
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Vim and gVim do not properly validate values for the 'filetype',
'syntax', and 'keymap' options.

Impact
=3D=3D=3D=3D=3D=3D

A remote attacker could entice a user to open a specially crafted file
using Vim/gVim with certain modeline options enabled possibly resulting
in execution of arbitrary code with the privileges of the process.

Workaround
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Disabling modeline support in .vimrc by adding "set nomodeline" will
prevent exploitation of this flaw. By default, modeline is enabled for
ordinary users but disabled for root.

Resolution
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

All Vim users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
"&gt;=3Dapp-editors/vim-8.0.0106"

All gVim users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
"&gt;=3Dapp-editors/gvim-8.0.0106"

References
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

[ 1 ] CVE-2016-1248
<a class=3D"moz-txt-link-freetext" href=3D"http://nvd.nist.gov/nvd.=
cfm?cvename=3DCVE-2016-1248">http://nvd.nist.gov/nvd.cfm?cvename=3DCVE-20=
16-1248</a>

Availability
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

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

<a class=3D"moz-txt-link-freetext" href=3D"https://security.gentoo.org/g=
lsa/201701-29">https://security.gentoo.org/glsa/201701-29</a>

Concerns?
=3D=3D=3D=3D=3D=3D=3D=3D=3D

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=3D"moz-txt-link-abbreviated"
href=3D"mailto:security@gentoo.org"=
>security@gentoo.org</a> or alternatively, you may file a bug at
<a class=3D"moz-txt-link-freetext" href=3D"https://bugs.gentoo.org">https=
://bugs.gentoo.org</a>.

License
=3D=3D=3D=3D=3D=3D=3D

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.

<a class=3D"moz-txt-link-freetext" href=3D"http://creativecommons.org/lic=
enses/by-sa/2.5">http://creativecommons.org/licenses/by-sa/2.5</a></pre>
</body>
</html>

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