USN-4677-1: p11-kit vulnerabilities | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

David Cook discovered that p11-kit incorrectly handled certain memory operations. An attacker could use this issue to cause p11-kit to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVEs contained in this USN include: CVE-2020-29362, CVE-2020-29363, CVE-2020-29361.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.220.0
• Xenial Stemcells
  • 456.x versions prior to 456.133
  • 621.x versions prior to 621.97
  • All other stemcells not listed.
• CF Deployment
  • All versions prior to 16.0.0

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 0.220.0 or greater
• Xenial Stemcells
  • Upgrade 456.x versions to 456.133 or greater
  • Upgrade 621.x versions to 621.97 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment
  • Upgrade All versions to 16.0.0 or greater

References

• USN Notice
• CVE-2020-29362
• CVE-2020-29363
• CVE-2020-29361

History

2021-02-10: Initial vulnerability report published.