CVE-2019-5420

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - support@hackerone.com

Published

2019-03-27

Last modified

2024-08-04

Weaknesses

CWE-330, CWE-77

Affected products

• Debian Linux (Debian)
• Fedora (Fedoraproject)
• Httpsgithub.comrailsrails (Rails)
• Rails (Rubyonrails)

References

• http://packetstormsecurity.com/files/152704/Ruby-On-Rails-DoubleTap-Development-Mode-secret_key_base-Remote-Code-Execut…
• https://groups.google.com/forum/#%21topic/rubyonrails-security/IsQKvDqZdKw
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQV…
• 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/