File Content Disclosure in Action View by Ruby on Rails
CVE-2019-5418

7.5HIGH

Key Information:

Vendor: Rails
Status: Https://github.com/rails/rails
Vendor: CVE Published:; 27 March 2019

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%🦅 CISA Reported

What is CVE-2019-5418?

A vulnerability exists in Action View where specially crafted accept headers can inadvertently expose the contents of arbitrary files located on the target system's filesystem, potentially leading to unauthorized access to sensitive information.

CISA has reported CVE-2019-5418

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2019-5418 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

https://github.com/rails/rails 5.2.2.1

https://github.com/rails/rails 5.1.6.2

https://github.com/rails/rails 5.0.7.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-5418 - Proof of Concept

CVE-2019-5418
Created by mpgn

Rails-doubletap-RCE
Created by mpgn