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cloudfoundryCloud FoundryCFOUNDRY:70F6C83FE70C685FC734A73A63029F17
HistoryMay 23, 2022 - 12:00 a.m.

USN-5328-1: OpenSSL vulnerability | Cloud Foundry

2022-05-2300:00:00
Cloud Foundry
www.cloudfoundry.org
16

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.013 Low

EPSS

Percentile

85.8%

Severity

High

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04

Description

Tavis Ormandy discovered that OpenSSL incorrectly parsed certain certificates. A remote attacker could possibly use this issue to cause OpenSSH to stop responding, resulting in a denial of service.

CVEs contained in this USN include: CVE-2022-0778.

Affected Cloud Foundry Products and Versions

Severity is high unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.71
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.278.0
  • CF Deployment
    • All versions prior to 20.0.0, or later versions with Bionic Stemcells prior to 1.71

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 1.71 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.278.0 or greater
  • CF Deployment
    • Upgrade all versions to 20.0.0 or greater and upgrade Bionic Stemcells to 1.71 or greater

References

History

2022-05-23: Initial vulnerability report published.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.013 Low

EPSS

Percentile

85.8%

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