USN-6452-1: Vim vulnerabilities | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04
• Canonical Ubuntu 22.04

Description

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) Update Instructions: Run sudo pro fix USN-6452-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: vim-common – 2:7.4.1689-3ubuntu1.5+esm20 vim-nox-py2 – 2:7.4.1689-3ubuntu1.5+esm20 vim-gnome – 2:7.4.1689-3ubuntu1.5+esm20 vim-athena-py2 – 2:7.4.1689-3ubuntu1.5+esm20 vim-athena – 2:7.4.1689-3ubuntu1.5+esm20 vim-gtk – 2:7.4.1689-3ubuntu1.5+esm20 vim-gui-common – 2:7.4.1689-3ubuntu1.5+esm20 vim – 2:7.4.1689-3ubuntu1.5+esm20 vim-gtk3-py2 – 2:7.4.1689-3ubuntu1.5+esm20 vim-doc – 2:7.4.1689-3ubuntu1.5+esm20 vim-gtk-py2 – 2:7.4.1689-3ubuntu1.5+esm20 vim-tiny – 2:7.4.1689-3ubuntu1.5+esm20 vim-gnome-py2 – 2:7.4.1689-3ubuntu1.5+esm20 vim-gtk3 – 2:7.4.1689-3ubuntu1.5+esm20 vim-nox – 2:7.4.1689-3ubuntu1.5+esm20 vim-runtime – 2:7.4.1689-3ubuntu1.5+esm20 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2023-3896, CVE-2023-4733, CVE-2023-4734, CVE-2023-4735, CVE-2023-4738, CVE-2023-4750, CVE-2023-4751, CVE-2023-4752, CVE-2023-4781, CVE-2023-5344, CVE-2023-5441, CVE-2023-5535.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs4
  • All versions prior to 1.48.0
• Jammy Stemcells
  • 1.x versions prior to 1.289
  • All other stemcells not listed.
• CF Deployment
  • All versions prior to 30.0.0, or later versions with Jammy Stemcells prior to 1.289

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs4
  • Upgrade all versions to 1.48.0 or greater
• Jammy Stemcells
  • Upgrade 1.x versions to 1.289 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment
  • Upgrade all versions to 30.0.0 or greater and upgrade Jammy Stemcells to 1.289 or greater

References

• USN Notice
• CVE-2023-3896
• CVE-2023-4733
• CVE-2023-4734
• CVE-2023-4735
• CVE-2023-4738
• CVE-2023-4750
• CVE-2023-4751
• CVE-2023-4752
• CVE-2023-4781
• CVE-2023-5344
• CVE-2023-5441
• CVE-2023-5535

History

2023-12-04: Initial vulnerability report published.