{"id":"GHSA-2j55-pcw5-x4h2","summary":"active-support impersonates 'activesupport' gem","details":"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.\n \nThis 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.","aliases":["CVE-2018-3779"],"modified":"2023-11-01T04:49:30.181465Z","published":"2018-08-13T15:02:49Z","database_specific":{"github_reviewed_at":"2020-06-16T20:52:19Z","nvd_published_at":null,"cwe_ids":["CWE-77"],"severity":"CRITICAL","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3779"},{"type":"WEB","url":"https://hackerone.com/reports/392311"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-2j55-pcw5-x4h2"}],"affected":[{"package":{"name":"active-support","ecosystem":"RubyGems","purl":"pkg:gem/active-support"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/08/GHSA-2j55-pcw5-x4h2/GHSA-2j55-pcw5-x4h2.json"}}],"schema_version":"1.9.0"}