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USN-6452-1: Vim vulnerabilities

25 October 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 could be made to divide by zero. An attacker
could possibly use this issue to cause a denial of service. This issue
only affected Ubuntu 23.04. (CVE-2023-3896)

It was discovered that Vim did not properly manage memory. An attacker
could possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2023-4733, CVE-2023-4750)

It was discovered that Vim contained an arithmetic overflow. An attacker
could possibly use this issue to cause a denial of service. This issue
only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10.
(CVE-2023-4734)

It was discovered that Vim could be made to write out of bounds. An
attacker could possibly use this issue to cause a denial of service or
execute arbitrary code. (CVE-2023-4735, CVE-2023-5344)

It was discovered that Vim could be made to write out of bounds. An
attacker could possibly use this issue to cause a denial of service or
execute arbitrary code. This issue only affected Ubuntu 23.04 and Ubuntu
23.10. (CVE-2023-4738)

It was discovered that Vim could be made to write out of bounds. An
attacker could possibly use this issue to cause a denial of service or
execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu
16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and
Ubuntu 23.04. (CVE-2023-4751)

It was discovered that Vim did not properly manage memory. An attacker
could possibly use this issue to cause a denial of service or execute
arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04
LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-4752, CVE-2023-5535)

It was discovered that Vim could be made to write out of bounds. An
attacker could possibly use this issue to cause a denial of service or
execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu
22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-4781)

It was discovered that Vim could be made to dereference invalid memory. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2023-5441)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.10
Ubuntu 23.04
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

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Further reading