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Security Advisory

USN-3808-1: Ruby vulnerabilities

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04

Description

It was discovered that Ruby incorrectly handled certain X.509 certificates. An attacker could possibly use this issue to bypass the certificate check. (CVE-2018-16395)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-16396)

CVEs contained in this USN include: CVE-2018-16395, CVE-2018-16396

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • All versions of Cloud Foundry cflinuxfs3 prior to 0.36.0

Mitigation

Users of affected products are strongly encouraged to follow one of the mitigations below:

  • The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs3 version 0.36.0 or later.

References

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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