Gentoo: GLSA 201701-29 Normal: Vim and gVim Code Execution Risk
gentoo
January 11, 2017
A vulnerability has been found in Vim and gVim concerning how certain modeline options are treated.
Summary
Vim and gVim do not properly validate values for the 'filetype', 'syntax', and 'keymap' options.
Topics Covered
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"
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
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: Vim, gVim: Remote execution of arbitrary code
Date: January 11, 2017
Bugs: #600650
ID: 201701-29
Topics Covered
Background
Vim is an efficient, highly configurable improved version of the
classic 'vi' text editor. gVim is the GUI version of Vim.
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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
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.
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