USN-4996-1: 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-2021-3605, CVE-2021-23215, CVE-2021-20296, CVE-2021-3598, CVE-2021-26260.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.247.0
• CF Deployment
  • All versions prior to 16.18.0

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 0.247.0 or greater
• CF Deployment
  • Upgrade all versions to 16.18.0 or greater

References

• USN Notice
• CVE-2021-3605
• CVE-2021-23215
• CVE-2021-20296
• CVE-2021-3598
• CVE-2021-26260

History

2021-07-08: Initial vulnerability report published.