USN-4891-1: OpenSSL vulnerability

Severity

High

Vendor

Canonical Ubuntu

Description

It was discovered that OpenSSL incorrectly handled certain renegotiation ClientHello messages. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVEs contained in this USN include: CVE-2021-3449.

Affected Cloud Foundry Products and Versions

Severity is high unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.232.0
• CF Deployment
  • All versions prior to 16.11.0

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 0.232.0 or greater
• CF Deployment
  • Upgrade all versions to 16.11.0 or greater

History

2021-04-14: Initial vulnerability report published.