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USN-4677-1: p11-kit vulnerabilities

By: | February 10, 2021

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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 onĀ bosh.io.
  • CF Deployment
    • Upgrade All versions to 16.0.0 or greater

History

2021-02-10: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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