CVEvulnerability
CVE-2019-5420
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2019-03-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-330, CWE-77
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 configurations
• rubyonrails rails (< 5.2.2.1)
• rubyonrails rails 6.0.0
• debian debian linux 8.0
• fedoraproject fedora 30
Related
References
- http://packetstormsecurity.com/files/152704/Ruby-On-Rails-DoubleTap-Development-Mode-secret_key_base-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://groups.google.com/forum/#%21topic/rubyonrails-security/IsQKvDqZdKw groups.google.com
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/ lists.fedoraproject.org
- https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/ Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/46785/ Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152704/Ruby-On-Rails-DoubleTap-Development-Mode-secret_key_base-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://groups.google.com/forum/#%21topic/rubyonrails-security/IsQKvDqZdKw groups.google.com
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/ lists.fedoraproject.org
- https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/ Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/46785/ Exploit, Third Party Advisory, VDB Entry