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Security Advisory

USN-5326-1: FUSE vulnerabilities

Severity

Unknown

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04

Description

It was discovered that FUSE is susceptible to a restriction bypass flaw on a system that has SELinux active. A local attacker with non-root privileges could mount a FUSE file system that is accessible to other users and trick them into accessing files on that file system, which could result in a Denial of Service or other unspecified conditions.

Affected Cloud Foundry Products and Versions

Severity is unknown unless otherwise noted.

  • CF Deployment
    • All versions with Xenial Stemcells prior to 621.224

Mitigation

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

  • CF Deployment
    • For all versions, upgrade Xenial Stemcells to 621.224 or greater

References

History

2022-04-21: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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