{"id":"UBUNTU-CVE-2018-20225","details":"An issue was discovered in pip (all versions) because it installs the version with the highest version number, even if the user had intended to obtain a private package from a private index. This only affects use of the --extra-index-url option, and exploitation requires that the package does not already exist in the public index (and thus the attacker can put the package there with an arbitrary version number). NOTE: it has been reported that this is intended functionality and the user is responsible for using --extra-index-url securely","modified":"2026-04-27T09:11:17.888088Z","published":"2020-05-08T18:15:00Z","upstream":["CVE-2018-20225"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20225"},{"type":"REPORT","url":"https://cowlicks.website/posts/arbitrary-code-execution-from-pips-extra-index-url.html"},{"type":"REPORT","url":"https://pip.pypa.io/en/stable/news/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-20225"}],"affected":[{"package":{"name":"python-pip","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python-pip@1.5.4-1ubuntu4+esm5?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.1-2","1.5.4-1","1.5.4-1ubuntu1","1.5.4-1ubuntu3","1.5.4-1ubuntu4","1.5.4-1ubuntu4+esm1","1.5.4-1ubuntu4+esm2","1.5.4-1ubuntu4+esm3","1.5.4-1ubuntu4+esm4","1.5.4-1ubuntu4+esm5"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.4-1ubuntu4+esm5","binary_name":"python-pip"},{"binary_version":"1.5.4-1ubuntu4+esm5","binary_name":"python-pip-whl"},{"binary_version":"1.5.4-1ubuntu4+esm5","binary_name":"python3-pip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20225.json"}},{"package":{"name":"python-pip","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/python-pip@8.1.1-2ubuntu0.6+esm12?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.6-7ubuntu1","1.5.6-7ubuntu2","8.0.2-7","8.0.3-1","8.0.3-2","8.1.0-1","8.1.0-2","8.1.1-1","8.1.1-2","8.1.1-2ubuntu0.1","8.1.1-2ubuntu0.2","8.1.1-2ubuntu0.4","8.1.1-2ubuntu0.6","8.1.1-2ubuntu0.6+esm2","8.1.1-2ubuntu0.6+esm3","8.1.1-2ubuntu0.6+esm4","8.1.1-2ubuntu0.6+esm5","8.1.1-2ubuntu0.6+esm6","8.1.1-2ubuntu0.6+esm8","8.1.1-2ubuntu0.6+esm10","8.1.1-2ubuntu0.6+esm11","8.1.1-2ubuntu0.6+esm12"],"ecosystem_specific":{"binaries":[{"binary_version":"8.1.1-2ubuntu0.6+esm12","binary_name":"python-pip"},{"binary_version":"8.1.1-2ubuntu0.6+esm12","binary_name":"python-pip-whl"},{"binary_version":"8.1.1-2ubuntu0.6+esm12","binary_name":"python3-pip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20225.json"}},{"package":{"name":"python-pip","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/python-pip@9.0.1-2.3~ubuntu1.18.04.8+esm8?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.1-2","9.0.1-2.3~ubuntu1","9.0.1-2.3~ubuntu1.18.04.1","9.0.1-2.3~ubuntu1.18.04.2","9.0.1-2.3~ubuntu1.18.04.3","9.0.1-2.3~ubuntu1.18.04.4","9.0.1-2.3~ubuntu1.18.04.5","9.0.1-2.3~ubuntu1.18.04.5+esm2","9.0.1-2.3~ubuntu1.18.04.5+esm3","9.0.1-2.3~ubuntu1.18.04.6","9.0.1-2.3~ubuntu1.18.04.6+esm1","9.0.1-2.3~ubuntu1.18.04.7","9.0.1-2.3~ubuntu1.18.04.7+esm1","9.0.1-2.3~ubuntu1.18.04.8","9.0.1-2.3~ubuntu1.18.04.8+esm1","9.0.1-2.3~ubuntu1.18.04.8+esm2","9.0.1-2.3~ubuntu1.18.04.8+esm4","9.0.1-2.3~ubuntu1.18.04.8+esm6","9.0.1-2.3~ubuntu1.18.04.8+esm7","9.0.1-2.3~ubuntu1.18.04.8+esm8"],"ecosystem_specific":{"binaries":[{"binary_version":"9.0.1-2.3~ubuntu1.18.04.8+esm8","binary_name":"python-pip"},{"binary_version":"9.0.1-2.3~ubuntu1.18.04.8+esm8","binary_name":"python-pip-whl"},{"binary_version":"9.0.1-2.3~ubuntu1.18.04.8+esm8","binary_name":"python3-pip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20225.json"}},{"package":{"name":"python-pip","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/python-pip@20.0.2-5ubuntu1.11+esm4?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["18.1-5","18.1-5build1","18.1-5ubuntu1","20.0.2-2","20.0.2-4","20.0.2-5","20.0.2-5ubuntu1","20.0.2-5ubuntu1.1","20.0.2-5ubuntu1.3","20.0.2-5ubuntu1.4","20.0.2-5ubuntu1.5","20.0.2-5ubuntu1.6","20.0.2-5ubuntu1.7","20.0.2-5ubuntu1.8","20.0.2-5ubuntu1.9","20.0.2-5ubuntu1.10","20.0.2-5ubuntu1.10+esm2","20.0.2-5ubuntu1.11","20.0.2-5ubuntu1.11+esm2","20.0.2-5ubuntu1.11+esm3","20.0.2-5ubuntu1.11+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"20.0.2-5ubuntu1.11+esm4","binary_name":"python-pip-whl"},{"binary_version":"20.0.2-5ubuntu1.11+esm4","binary_name":"python3-pip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20225.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"negligible"}]}