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USN-3863-1: APT vulnerability


Severity

High

Vendor

Canonical Ubuntu

Versions Affected
  • Canonical Ubuntu 14.04
  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04
Description

Max Justicz discovered that APT incorrectly handled certain parameters during redirects. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could potentially be used to install altered packages.

CVEs contained in this USN include: CVE-2019-3462

Affected Pivotal Products and Versions

Severity is high unless otherwise noted.

  • Vulnerable Cloud Foundry components individually listed here.
  • Impacted stemcells may be updated independently of upgrading Pivotal Application Service or PCF Isolation Segment.
  • Pivotal Application Service includes vulnerable stemcells and container rootfs in the following releases:
    • 2.4.x versions prior to 2.4.3
    • 2.3.x versions prior to 2.3.7
    • 2.2.x versions prior to 2.2.12
  • PCF Isolation Segment includes vulnerable stemcells and container rootfs in the following releases:
    • 2.4.x versions prior to 2.4.3
    • 2.3.x versions prior to 2.3.7
    • 2.2.x versions prior to 2.2.12
  • Pivotal Operations Manager is vulnerable in the following releases:
    • 2.4.x versions prior to 2.4.3
    • 2.3.x versions prior to 2.3.9
    • 2.2.x versions prior to 2.2.16
    Mitigation

    Users of affected versions should apply the following mitigation:

    • The Cloud Foundry security team recommends upgrading BOSH to the affected OSS components listed here if applicable.
    • Upgrade Pivotal products that use earlier versions of CF components to new Pivotal releases using new versions linked above. On the Pivotal Network product page for each release, check the Depends On section and/or Release Notes for this information.
    • Releases that have fixed this issue include:
      • Pivotal Application Service: 2.5.0, 2.4.3, 2.3.7, 2.2.12
      • PCF Isolation Segment: 2.5.0, 2.4.3, 2.3.7, 2.2.12
      • Pivotal Operations Manager: 2.5.0, 2.4.3, 2.3.9, 2.2.16
    References
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