USN-5817-1: Setuptools vulnerability | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

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

Description

Sebastian Chnelik discovered that setuptools incorrectly handled certain regex inputs. An attacker could possibly use this issue to cause a denial of service. Update Instructions: Run sudo pro fix USN-5817-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: python-setuptools – 20.7.0-1ubuntu0.1~esm1 python-setuptools-doc – 20.7.0-1ubuntu0.1~esm1 python3-pkg-resources – 20.7.0-1ubuntu0.1~esm1 pypy-setuptools – 20.7.0-1ubuntu0.1~esm1 pypy-pkg-resources – 20.7.0-1ubuntu0.1~esm1 python3-setuptools – 20.7.0-1ubuntu0.1~esm1 python-pkg-resources – 20.7.0-1ubuntu0.1~esm1 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2022-40897.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Bionic Stemcells

• * 1.x versions prior to 1.174
  

  • All other stemcells not listed.
• cflinuxfs3

• * All versions prior to 0.351.0
  

• cflinuxfs4

• * All versions prior to 0.60.0
  

• Jammy Stemcells

• * 1.x versions prior to 1.83
  

  • All other stemcells not listed.
• CF Deployment

• * All versions prior to 26.4.0, or later versions with Jammy Stemcells prior to 1.83, Bionic Stemcells prior to 1.174, or Xenial Stemcells prior to 621.401
  

Mitigation

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

• Bionic Stemcells

• * Upgrade 1.x versions to 1.174 or greater
  

  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3

• * Upgrade all versions to 0.351.0 or greater
  

• cflinuxfs4

• * Upgrade all versions to 0.60.0 or greater
  

• Jammy Stemcells

• * Upgrade 1.x versions to 1.83 or greater
  

  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment

• * Upgrade all versions to 26.4.0 or greater, upgrade Jammy Stemcells to 1.83 or greater, upgrade Bionic Stemcells to 1.174 or greater, and upgrade Xenial Stemcells to 621.401 or greater
  

References

• USN Notice
• CVE-2022-40897

History

2023-02-24: Initial vulnerability report published.