Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

It was discovered that file incorrectly handled certain malformed ELF files. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code.

CVEs contained in this USN include: CVE-2019-8904, CVE-2019-8905, CVE-2019-8906, CVE-2019-8907

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Cloud Foundry BOSH xenial-stemcells are vulnerable, including:
  • 250.x versions prior to 250.23
  • 170.x versions prior to 170.43
  • 97.x versions prior to 97.71
  • All other stemcells not listed.
• All versions of Cloud Foundry cflinuxfs3 prior to 0.72.0

Mitigation

Users of affected products are strongly encouraged to follow one of the mitigations below:

• The Cloud Foundry project recommends upgrading the following BOSH xenial-stemcells:
  • Upgrade 250.x versions to 250.23
  • Upgrade 170.x versions to 170.43
  • Upgrade 97.x versions to 97.71
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs3 version 0.72.0 or later.

References

• USN-3911-1
• CVE-2019-8904
• CVE-2019-8905
• CVE-2019-8906
• CVE-2019-8907