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cloudfoundryCloud FoundryCFOUNDRY:2678661DA7C206FDBAA0DA5F4E04CEEF
HistoryOct 28, 2021 - 12:00 a.m.

USN-5093-1: Vim vulnerabilities | Cloud Foundry

2021-10-2800:00:00
Cloud Foundry
www.cloudfoundry.org
22
vim
canonical ubuntu
cloud foundry
medium severity
cve-2021-3770
cve-2021-3778
cve-2021-3796
bionic stemcells
cflinuxfs3
cf deployment
upgrade
mitigation
security advisory

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

41.6%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04

Description

Several security issues were fixed in Vim.

CVEs contained in this USN include: CVE-2021-3770, CVE-2021-3778, CVE-2021-3796.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.33
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.261.0
  • CF Deployment
    • All versions prior to 16.25.0

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 1.33 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.261.0 or greater
  • CF Deployment
    • Upgrade all versions to 16.25.0 or greater

References

  • USN Notice
  • CVE-2021-3770
  • CVE-2021-3778
  • CVE-2021-3796

History

2021-10-28: Initial vulnerability report published.

Affected configurations

Vulners
Node
cloudfoundrybionic_stemcellsRange<1.33
OR
cloudfoundrycflinuxfs3Range<0.261.0
OR
cloudfoundrycf-deploymentRange<16.25.0
VendorProductVersionCPE
cloudfoundrybionic_stemcells*cpe:2.3:a:cloudfoundry:bionic_stemcells:*:*:*:*:*:*:*:*
cloudfoundrycflinuxfs3*cpe:2.3:a:cloudfoundry:cflinuxfs3:*:*:*:*:*:*:*:*
cloudfoundrycf-deployment*cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:*

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

41.6%