{"id":"UBUNTU-CVE-2017-0902","details":"RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.","modified":"2026-01-30T02:02:30.694062Z","published":"2017-08-31T00:00:00Z","related":["USN-3553-1","USN-3685-1"],"upstream":["CVE-2017-0902"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-0902"},{"type":"REPORT","url":"https://www.ruby-lang.org/en/news/2017/08/29/multiple-vulnerabilities-in-rubygems/"},{"type":"REPORT","url":"http://blog.rubygems.org/2017/08/27/2.6.13-released.html"},{"type":"REPORT","url":"https://hackerone.com/reports/218088"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3553-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3685-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-0902"}],"affected":[{"package":{"name":"ruby2.0","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/ruby2.0@2.0.0.484-1ubuntu2.10?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.484-1ubuntu2.10"}]}],"versions":["2.0.0.299-2","2.0.0.343-1","2.0.0.343-1ubuntu1","2.0.0.353-1","2.0.0.353-1ubuntu1","2.0.0.484-1ubuntu1","2.0.0.484-1ubuntu2","2.0.0.484-1ubuntu2.1","2.0.0.484-1ubuntu2.2","2.0.0.484-1ubuntu2.4","2.0.0.484-1ubuntu2.5","2.0.0.484-1ubuntu2.6","2.0.0.484-1ubuntu2.8","2.0.0.484-1ubuntu2.9"],"ecosystem_specific":{"availability":"No 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