1. Ubuntu Security Notices
  2. USN-5247-1

USN-5247-1: Vim vulnerabilities

Publication date

27 January 2022

Overview

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,...

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
21.10 impish vim –  2:8.2.2434-3ubuntu3.2
20.04 focal vim –  2:8.1.2269-1ubuntu5.6
18.04 bionic vim –  2:8.0.1453-1ubuntu1.8

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References

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