Version Disclosure (Phusion Passenger)
Summary#
Invicti identified a version disclosure (Phusion Passenger) in the target web server's HTTP response. Phusion Passenger is a free web server and application server with support for Ruby, Python, and Node.js.
This information can help an attacker gain a greater understanding of the systems in use and potentially develop further attacks targeted at the specific version of Phusion Passenger.
Impact#
An attacker might use the disclosed information to harvest specific security vulnerabilities for the version identified.
Remediation#
Configure Phusion Passenger to prevent version to prevent information leakage from X-Powered-By header by setting:
passenger_show_version_in_header off;
Classifications#
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