Input validation error in activesupport - CVE-2018-3779

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Main Vulnerability Database Vulnerabilities #VU36781

Input validation error in activesupport - CVE-2018-3779

Published: August 10, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU36781
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-3779
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Ruby
Affected software:
activesupport

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.


How to mitigate CVE-2018-3779

Install update from vendor's website.

Sources