National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-5420 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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/#!topic/rubyonrails-security/IsQKvDqZdKw Mitigation Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/ Third Party Advisory
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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation NIST  
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') HackerOne  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
5.2.2.1
 cpe:2.3:a:rubyonrails:rails:6.0.0:beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:rubyonrails:rails:6.0.0:beta2:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-5420
NVD Published Date:
03/27/2019
NVD Last Modified:
10/09/2019