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USN-4256-1: Cyrus SASL vulnerability

By: | February 12, 2020

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USN-4256-1: Cyrus SASL vulnerability

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 14.04
  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04

Description

It was discovered that Cyrus SASL incorrectly handled certain LDAP packets. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

CVEs contained in this USN include: CVE-2019-19906.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Xenial Stemcells
    • 621.x versions prior to 621.55
    • 456.x versions prior to 456.96
    • 315.x versions prior to 315.167
    • 250.x versions prior to 250.181
    • 170.x versions prior to 170.201
    • 97.x versions prior to 97.230
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.160.0
  • CF Deployment
    • All versions prior to v12.29.0

Mitigation

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

  • Xenial Stemcells
    • Upgrade 621.x versions to 621.55 or greater
    • Upgrade 456.x versions to 456.96 or greater
    • Upgrade 315.x versions to 315.167 or greater
    • Upgrade 250.x versions to 250.181 or greater
    • Upgrade 170.x versions to 170.201 or greater
    • Upgrade 97.x versions to 97.230 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.160.0 or greater
  • CF Deployment
    • Upgrade all versions to v12.29.0 or greater

History

2020-01-28: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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