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From: Aaron Bauman
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/
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Severity: Normal
Title: Vim, gVim: Remote execution of arbitrary code
Date: January 11, 2017
Bugs: #600650
ID: 201701-29
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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
--------------7FB8FCCD2E9116C2DDD3B391
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Content-Transfer-Encoding: quoted-printable
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Gentoo Linux Security Advisory GLSA 201701-29
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/=
a>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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 < 8.0.0106 >=3D 8.0.=
0106=20
2 app-editors/gvim < 8.0.0106 >=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 ">=3Dapp-editors/vim-8.0.0106"
All gVim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=3Dapp-editors/gvim-8.0.0106"
References
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
[ 1 ] CVE-2016-1248
http://nvd.nist.gov/nvd.cfm?cvename=3DCVE-20=
16-1248
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:
https://security.gentoo.org/glsa/201701-29
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
security@gentoo.org or alternatively, you may file a bug at
https=
://bugs.gentoo.org.
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.
http://creativecommons.org/licenses/by-sa/2.5
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