RubySec

Providing security resources for the Ruby community

CVE-2019-7615 (elastic-apm): Elastic APM agent for Ruby vulnerable to Improper Certificate Validation

ADVISORIES

GEM

elastic-apm

SEVERITY

CVSS v3.x: 7.4 (High)

PATCHED VERSIONS

  • >= 2.9.0

DESCRIPTION

A TLS certificate validation flaw was found in Elastic APM agent for Ruby versions before 2.9.0. When specifying a trusted server CA certificate via the server_ca_cert setting, the Ruby agent would not properly verify the certificate returned by the APM server. This could result in a man in the middle style attack against the Ruby agent.

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