USN-6270-1: Vim vulnerabilities

3 August 2023

Several security issues were fixed in Vim.

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Releases

Packages

  • 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-2022-2182)

It was discovered that Vim incorrectly handled memory when deleting buffers
in diff mode. An attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2022-2208)

It was discovered that Vim incorrectly handled memory access. An attacker
could possibly use this issue to cause the corruption of sensitive
information, a crash, or arbitrary code execution. This issue only affected
Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2022-2210)

It was discovered that Vim incorrectly handled memory when using nested
:source. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-2231)

It was discovered that Vim did not properly perform bounds checks when
processing a menu item with the only modifier. An attacker could possibly
use this issue to cause a denial of service. (CVE-2022-2257)

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.
(CVE-2022-2264, CVE-2022-2284, CVE-2022-2289)

It was discovered that Vim did not properly perform bounds checks when
going over the end of the typahead. An attacker could possibly use this
issue to cause a denial of service. (CVE-2022-2285)

It was discovered that Vim did not properly perform bounds checks when
reading the provided string. An attacker could possibly use this issue to
cause a denial of service. (CVE-2022-2286)

It was discovered that Vim incorrectly handled memory when adding words
with a control character to the internal spell word list. An attacker could
possibly use this issue to cause a denial of service. (CVE-2022-2287)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

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