A Vim security update has been released for Ubuntu Linux 14.04 LTS, 18.04 LTS, 20.04 LTS, and 22.04 LTS.

[USN-6302-1] Vim vulnerabilities

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Ubuntu Security Notice USN-6302-1
August 21, 2023

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 14.04 LTS (Available with Ubuntu Pro)

Summary:

Several security issues were fixed in Vim.

Software Description:
- vim: Vi IMproved - enhanced vi editor

Details:

It was discovered that Vim incorrectly handled memory when opening certain
files. If an attacker could trick a user into opening a specially crafted
file, it could cause Vim to crash, or possibly execute arbitrary code. This
issue only affected Ubuntu 22.04 LTS. (CVE-2022-2522, CVE-2022-2580,
CVE-2022-2817, CVE-2022-2819, CVE-2022-2862, CVE-2022-2889, CVE-2022-2982,
CVE-2022-3134)

It was discovered that Vim did not properly perform bounds checks in the
diff mode in certain situations. An attacker could possibly use this issue
to cause a denial of service. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-2598)

It was discovered that Vim did not properly perform bounds checks in
certain situations. An attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 22.04 LTS.
(CVE-2022-2816)

It was discovered that Vim incorrectly handled memory when skipping
compiled code. An attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-2874)

It was discovered that Vim incorrectly handled memory when opening certain
files. If an attacker could trick a user into opening a specially crafted
file, it could cause Vim to crash, or possibly execute arbitrary code. This
issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-3016,
CVE-2022-3037)

It was discovered that Vim incorrectly handled memory when invalid line
number on ":for" is ignored. An attacker could possibly use this issue to
cause a denial of service. (CVE-2022-3099)

It was discovered that Vim incorrectly handled memory when passing invalid
arguments to the assert_fails() method. An attacker could possibly use this
issue to cause a denial of service. This issue only affected Ubuntu 22.04
LTS. (CVE-2022-3153)

Update instructions:

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

Ubuntu 22.04 LTS:
vim 2:8.2.3995-1ubuntu2.11
vim-athena 2:8.2.3995-1ubuntu2.11
vim-gtk 2:8.2.3995-1ubuntu2.11
vim-gtk3 2:8.2.3995-1ubuntu2.11
vim-nox 2:8.2.3995-1ubuntu2.11
vim-tiny 2:8.2.3995-1ubuntu2.11
xxd 2:8.2.3995-1ubuntu2.11

Ubuntu 20.04 LTS:
vim 2:8.1.2269-1ubuntu5.17
vim-athena 2:8.1.2269-1ubuntu5.17
vim-gtk 2:8.1.2269-1ubuntu5.17
vim-gtk3 2:8.1.2269-1ubuntu5.17
vim-nox 2:8.1.2269-1ubuntu5.17
vim-tiny 2:8.1.2269-1ubuntu5.17
xxd 2:8.1.2269-1ubuntu5.17

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
vim 2:8.0.1453-1ubuntu1.13+esm4
vim-athena 2:8.0.1453-1ubuntu1.13+esm4
vim-gtk 2:8.0.1453-1ubuntu1.13+esm4
vim-gtk3 2:8.0.1453-1ubuntu1.13+esm4
vim-runtime 2:8.0.1453-1ubuntu1.13+esm4
vim-tiny 2:8.0.1453-1ubuntu1.13+esm4
xxd 2:8.0.1453-1ubuntu1.13+esm4

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
vim 2:7.4.052-1ubuntu3.1+esm12
vim-athena 2:7.4.052-1ubuntu3.1+esm12
vim-gtk 2:7.4.052-1ubuntu3.1+esm12
vim-nox 2:7.4.052-1ubuntu3.1+esm12
vim-tiny 2:7.4.052-1ubuntu3.1+esm12

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

References:
https://ubuntu.com/security/notices/USN-6302-1
CVE-2022-2522, CVE-2022-2580, CVE-2022-2598, CVE-2022-2816,
CVE-2022-2817, CVE-2022-2819, CVE-2022-2862, CVE-2022-2874,
CVE-2022-2889, CVE-2022-2982, CVE-2022-3016, CVE-2022-3037,
CVE-2022-3099, CVE-2022-3134, CVE-2022-3153

Package Information:
https://launchpad.net/ubuntu/+source/vim/2:8.2.3995-1ubuntu2.11
https://launchpad.net/ubuntu/+source/vim/2:8.1.2269-1ubuntu5.17