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USN-5247-1: Vim vulnerabilities

27 January 2022

Several security issues were fixed in Vim.

Releases

Packages

  • vim - Vi IMproved - enhanced vi editor

Details

It was discovered that vim incorrectly handled parsing of filenames in its
search functionality. If a user was tricked into opening a specially crafted
file, an attacker could crash the application, leading to a denial of
service. This issue only affected Ubuntu 21.10. (CVE-2021-3973)

It was discovered that vim incorrectly handled memory when opening and
searching the contents of certain files. If a user was tricked into opening
a specially crafted file, an attacker could crash the application, leading to
a denial of service, or possibly achieve code execution with user privileges.
This issue only affected Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2021-3974)

It was discovered that vim incorrectly handled memory when opening and editing
certain files. If a user was tricked into opening a specially crafted file, an
attacker could crash the application, leading to a denial of service, or
possibly achieve code execution with user privileges. (CVE-2021-3984)

It was discovered that vim incorrectly handled memory when opening and editing
certain files. If a user was tricked into opening a specially crafted file, an
attacker could crash the application, leading to a denial of service, or
possibly achieve code execution with user privileges. (CVE-2021-4019)

It was discovered that vim incorrectly handled memory when opening and editing
certain files. If a user was tricked into opening a specially crafted file, an
attacker could crash the application, leading to a denial of service, or
possibly achieve code execution with user privileges.(CVE-2021-4069)

Update instructions

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

Ubuntu 21.10
Ubuntu 20.04
Ubuntu 18.04

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

Related notices

  • USN-5433-1: vim-gtk3-py2, vim-common, vim-runtime, vim, vim-tiny, vim-gtk3, vim-nox, vim-athena, vim-gtk-py2, vim-athena-py2, vim-gnome, vim-gtk, vim-gnome-py2, vim-doc, vim-nox-py2, vim-gui-common