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Security Advisory

USN-5331-2: tcpdump vulnerabilities

Severity

Low

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04

Description

USN-5331-1 fixed several vulnerabilities in tcpdump. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that tcpdump incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2018-16301) It was discovered that tcpdump incorrectly handled certain captured data. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-8037) Update Instructions: Run `sudo ua fix USN-5331-2` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: tcpdump – 4.9.3-0ubuntu0.18.04.2 No subscription required

CVEs contained in this USN include: CVE-2018-16301, CVE-2020-8037.

Affected Cloud Foundry Products and Versions

Severity is low unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.79
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.283.0
  • CF Deployment
    • All versions prior to 20.0.0, or later versions with Bionic Stemcells prior to 1.79

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 1.79 or greater
    • All other stemcells should be upgraded to the latest version available onĀ bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.283.0 or greater
  • CF Deployment
    • Upgrade all versions to 20.0.0 or greater and upgrade Bionic Stemcells to 1.79 or greater

History

2022-05-26: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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