USN-3911-2: file regression | Cloud Foundry

2020-06-24T00:00:00
ID CFOUNDRY:CD634A7F3BAB77501CC15DE114C23139
Type cloudfoundry
Reporter Cloud Foundry
Modified 2020-06-24T00:00:00

Description

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04

Description

USN-3911-1 fixed vulnerabilities in file. One of the backported security fixes introduced a regression that caused the interpreter string to be truncated. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that file incorrectly handled certain malformed ELF files. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code.

CVEs contained in this USN include: CVE-2019-8904, CVE-2019-8905, CVE-2019-8906, CVE-2019-8907.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • cflinuxfs3
    • All versions prior to 0.179.0
  • Xenial Stemcells
    • 170.x versions prior to 170.220
    • 250.x versions prior to 250.199
    • 315.x versions prior to 315.184
    • 456.x versions prior to 456.113
    • 621.x versions prior to 621.75
    • All other stemcells not listed.
  • CF Deployment
    • All versions prior to v13.5.0

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 0.179.0 or greater
  • Xenial Stemcells
    • Upgrade 170.x versions to 170.220 or greater
    • Upgrade 250.x versions to 250.199 or greater
    • Upgrade 315.x versions to 315.184 or greater
    • Upgrade 456.x versions to 456.113 or greater
    • Upgrade 621.x versions to 621.75 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • CF Deployment
    • Upgrade All versions to v13.5.0 or greater

References

History

2020-05-13: Initial vulnerability report published.