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CVE-2019-5420

CRITICAL

9.8

CVSS Severity Score

EPSS Score0.1560%

EPSS Percentile35.11th

PublishedMar 27, 2019

Last ModifiedNov 21, 2024

Vulnerability Description

A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically generated development mode secret token. This secret token can be used in combination with other Rails internals to escalate to a remote code execution exploit.

Affected Platforms (CPE)

📦

Rubyonrails

Rails

< 5.2.2.1

📦

Rubyonrails

Rails

= 6.0.0

📦

Rubyonrails

Rails

= 6.0.0

💻

Debian

Debian Linux

= 8.0

💻

Fedoraproject

Fedora

= 30

References & Advisories

🔗 http://packetstormsecurity.com/files/152704/Ruby-On-Rails-DoubleTap-Development-Mode-secret_key_base-Remote-Code-Execution.html

🔗 https://groups.google.com/forum/#%21topic/rubyonrails-security/IsQKvDqZdKw

🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/

🔗 https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/

🔗 https://www.exploit-db.com/exploits/46785/

🔗 http://packetstormsecurity.com/files/152704/Ruby-On-Rails-DoubleTap-Development-Mode-secret_key_base-Remote-Code-Execution.html

🔗 https://groups.google.com/forum/#%21topic/rubyonrails-security/IsQKvDqZdKw

🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/

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