CVE-2018-3779 – active-support

Package

Manager: gem
Name: active-support
Vulnerable Version: >=0

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:H/RL:U/RC:C

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

EPSS: 0.08905 pctl0.92239

Details

active-support impersonates 'activesupport' gem The `active-support` ruby gem gem is malware and duplicates the official `activesupport` (no hyphen) gem, but adds a compiled extension. The extension attempts to resolve a base64 encoded domain (29faea63.planfhntage.de), downloads a payload, and executes. This trojan horse gem 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. No version of this gem should be considered safe.

Metadata

Created: 2018-08-13T15:02:49Z
Modified: 2023-01-18T21:33:05Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/08/GHSA-2j55-pcw5-x4h2/GHSA-2j55-pcw5-x4h2.json
CWE IDs: ["CWE-77"]
Alternative ID: GHSA-2j55-pcw5-x4h2
Finding: F422
Auto approve: 1