USN-4016-2: Neovim vulnerability

11 June 2019

Neovim vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 19.04
  • Ubuntu 18.10

Summary

Neovim could be made to run programs as your login if it opened a specially crafted file.

Software Description

  • neovim - heavily refactored vim fork

Details

It was discovered that Neovim incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-12735)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
neovim - 0.3.4-1ubuntu0.19.04.1
neovim-runtime - 0.3.4-1ubuntu0.19.04.1
Ubuntu 18.10
neovim - 0.3.1-1ubuntu0.1
neovim-runtime - 0.3.1-1ubuntu0.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References