CVE-2016-1248 Code injection in vim before patch 8.0.0056

High 7.8 Published Updated

Attackers can execute arbitrary code by tricking users into opening files with malicious modelines in Vim.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-1248?

CVE-2016-1248 is a high-severity code injection vulnerability in Debian Debian Linux, published on 23 Nov 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

vim before patch 8.0.0056 does not properly validate values for the 'filetype', 'syntax' and 'keymap' options, which may result in the execution of arbitrary code if a file with a specially crafted modeline is opened.

Weakness: CWE-20

Which versions are affected by CVE-2016-1248?

It affects 2 products.

Linux distribution packages (40)
vim Red Hat:enterprise_linux:6::clientAll versions2:7.4.629-5.el6_8.1
vim-X11 Red Hat:enterprise_linux:6::clientAll versions2:7.4.629-5.el6_8.1
vim-common Red Hat:enterprise_linux:6::clientAll versions2:7.4.629-5.el6_8.1
vim-debuginfo Red Hat:enterprise_linux:6::clientAll versions2:7.4.629-5.el6_8.1
vim-enhanced Red Hat:enterprise_linux:6::clientAll versions2:7.4.629-5.el6_8.1
vim-filesystem Red Hat:enterprise_linux:6::clientAll versions2:7.4.629-5.el6_8.1
vim-minimal Red Hat:enterprise_linux:6::clientAll versions2:7.4.629-5.el6_8.1
vim Red Hat:enterprise_linux:6::computenodeAll versions2:7.4.629-5.el6_8.1
vim-X11 Red Hat:enterprise_linux:6::computenodeAll versions2:7.4.629-5.el6_8.1
vim-common Red Hat:enterprise_linux:6::computenodeAll versions2:7.4.629-5.el6_8.1
vim-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions2:7.4.629-5.el6_8.1
vim-enhanced Red Hat:enterprise_linux:6::computenodeAll versions2:7.4.629-5.el6_8.1
vim-filesystem Red Hat:enterprise_linux:6::computenodeAll versions2:7.4.629-5.el6_8.1
vim-minimal Red Hat:enterprise_linux:6::computenodeAll versions2:7.4.629-5.el6_8.1
vim Red Hat:enterprise_linux:6::serverAll versions2:7.4.629-5.el6_8.1
vim-X11 Red Hat:enterprise_linux:6::serverAll versions2:7.4.629-5.el6_8.1
vim-common Red Hat:enterprise_linux:6::serverAll versions2:7.4.629-5.el6_8.1
vim-debuginfo Red Hat:enterprise_linux:6::serverAll versions2:7.4.629-5.el6_8.1
vim-enhanced Red Hat:enterprise_linux:6::serverAll versions2:7.4.629-5.el6_8.1
vim-filesystem Red Hat:enterprise_linux:6::serverAll versions2:7.4.629-5.el6_8.1
vim-minimal Red Hat:enterprise_linux:6::serverAll versions2:7.4.629-5.el6_8.1
vim Red Hat:enterprise_linux:6::workstationAll versions2:7.4.629-5.el6_8.1
vim-X11 Red Hat:enterprise_linux:6::workstationAll versions2:7.4.629-5.el6_8.1
vim-common Red Hat:enterprise_linux:6::workstationAll versions2:7.4.629-5.el6_8.1
vim-debuginfo Red Hat:enterprise_linux:6::workstationAll versions2:7.4.629-5.el6_8.1
vim-enhanced Red Hat:enterprise_linux:6::workstationAll versions2:7.4.629-5.el6_8.1
vim-filesystem Red Hat:enterprise_linux:6::workstationAll versions2:7.4.629-5.el6_8.1
vim-minimal Red Hat:enterprise_linux:6::workstationAll versions2:7.4.629-5.el6_8.1
vim Red Hat:enterprise_linux:7::clientAll versions2:7.4.160-1.el7_3.1
vim-X11 Red Hat:enterprise_linux:7::clientAll versions2:7.4.160-1.el7_3.1
vim-common Red Hat:enterprise_linux:7::clientAll versions2:7.4.160-1.el7_3.1
vim-debuginfo Red Hat:enterprise_linux:7::clientAll versions2:7.4.160-1.el7_3.1
vim-enhanced Red Hat:enterprise_linux:7::clientAll versions2:7.4.160-1.el7_3.1
vim-filesystem Red Hat:enterprise_linux:7::clientAll versions2:7.4.160-1.el7_3.1
vim-minimal Red Hat:enterprise_linux:7::clientAll versions2:7.4.160-1.el7_3.1
vim Red Hat:enterprise_linux:7::computenodeAll versions2:7.4.160-1.el7_3.1
vim-X11 Red Hat:enterprise_linux:7::computenodeAll versions2:7.4.160-1.el7_3.1
vim-common Red Hat:enterprise_linux:7::computenodeAll versions2:7.4.160-1.el7_3.1
vim-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions2:7.4.160-1.el7_3.1
vim-enhanced Red Hat:enterprise_linux:7::computenodeAll versions2:7.4.160-1.el7_3.1

Products include Debian Debian Linux, Vim Vim.

How do I fix CVE-2016-1248?

Apply the vendor's patch.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2016-1248 being exploited?

There is no known exploitation of CVE-2016-1248 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2016-1248, DEBIAN-CVE-2016-1248, DLA-718-1, DSA-3722-1, GHSA-6q4x-827v-ffwx, RHSA-2016:2972 and 4 more.

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