USN-4900-1: OpenEXR vulnerabilities | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 18.04

Description

It was discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code.

CVEs contained in this USN include: CVE-2021-3476, CVE-2021-3475, CVE-2021-3474, CVE-2021-3477, CVE-2021-3478, CVE-2021-3479.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.234.0
• CF Deployment
  • All versions prior to 16.13.0

Mitigation

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

• cflinuxfs3
  • Upgrade all versions to 0.234.0 or greater
• CF Deployment
  • Upgrade all versions to 16.13.0 or greater

References

• USN Notice
• CVE-2021-3476
• CVE-2021-3475
• CVE-2021-3474
• CVE-2021-3477
• CVE-2021-3478
• CVE-2021-3479

History

2021-04-29: Initial vulnerability report published.