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cloudfoundryCloud FoundryCFOUNDRY:9AC404297487E90478F35DA3FFC8D7E6
HistoryJun 11, 2021 - 12:00 a.m.

USN-4966-1: libx11 vulnerability | Cloud Foundry

2021-06-1100:00:00
Cloud Foundry
www.cloudfoundry.org
17

0.116 Low

EPSS

Percentile

95.3%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04

Description

It was discovered that libx11 incorrectly validated certain parameter lengths. A remote attacker could possibly use this issue to trick libx11 into emitting extra X protocol requests.

CVEs contained in this USN include: CVE-2021-31535.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • cflinuxfs3
    • All versions prior to 0.239.0
  • CF Deployment
    • All versions prior to 16.15.0

Mitigation

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

  • cflinuxfs3
    • Upgrade all versions to 0.239.0 or greater
  • CF Deployment
    • Upgrade all versions to 16.15.0 or greater

References

History

2021-06-11: Initial vulnerability report published.

CPENameOperatorVersion
cflinuxfs3lt0.239.0
cf deploymentlt16.15.0