{"id":"CVE-2018-1000073","aliases":["GHSA-gx69-6cp4-hxrj"],"url":"https://o3.security/vulnerability/CVE-2018-1000073","summary":"RubyGems Link Following vulnerability","details":"RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in install_location function of package.rb that can result in path traversal when writing to a symlinked basedir outside of the root. This vulnerability appears to have been fixed in 2.7.6.","published":"2018-03-13T15:29:00.427Z","modified":"2026-08-27T08:18:31.039198Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jruby:jruby-stdlib","fixedVersion":"9.1.16.0"},{"ecosystem":"RubyGems","name":"rubygems-update","fixedVersion":"2.7.6"}],"fix":{"url":"https://github.com/rubygems/rubygems/commit/1b931fc03b819b9a0214be3eaca844ef534175e2","label":"rubygems/rubygems@1b931fc"},"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html"},{"type":"WEB","url":"https://usn.ubuntu.com/3621-1/"},{"type":"ADVISORY","url":"http://blog.rubygems.org/2018/02/15/2.7.6-released.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3729"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3730"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3731"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2028"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0542"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0591"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0663"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4219"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4259"},{"type":"FIX","url":"https://github.com/rubygems/rubygems/commit/1b931fc03b819b9a0214be3eaca844ef534175e2"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:18:31.039198Z"}}