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Security Advisory

USN-5254-1: shadow vulnerabilities

Severity

Low

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04

Description

It was discovered that shadow incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or expose sensitive information. This issue only affected Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. (CVE-2017-12424) It was discovered that shadow incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. (CVE-2018-7169)

CVEs contained in this USN include: CVE-2017-12424, CVE-2018-7169.

Affected Cloud Foundry Products and Versions

Severity is low unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.61
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.273.0
  • CF Deployment
    • All versions prior to 18.0.0, or later versions with Xenial Stemcells prior to 621.208

Mitigation

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

  • Bionic Stemcells
    • Upgrade 1.x versions to 1.61 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.273.0 or greater
  • CF Deployment
    • Upgrade all versions to 18.0.0 or greater and upgrade Xenial Stemcells to 621.208 or greater

History

2022-03-10: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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