{"id":"UBUNTU-CVE-2018-1000021","details":"GIT version 2.15.1 and earlier contains a Input Validation Error vulnerability in Client that can result in problems including messing up terminal configuration to RCE. This attack appear to be exploitable via The user must interact with a malicious git server, (or have their traffic modified in a MITM attack).","modified":"2026-03-03T06:08:50.297534Z","published":"2018-02-09T23:29:00Z","upstream":["CVE-2018-1000021"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1000021"},{"type":"REPORT","url":"http://www.batterystapl.es/2018/01/security-implications-of-ansi-escape.html"},{"type":"REPORT","url":"https://public-inbox.org/git/20180205204312.GB104086@aiede.svl.corp.google.com/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1000021"}],"affected":[{"package":{"name":"git","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/git@1:2.7.4-0ubuntu1.10+esm13?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.5.0-1","1:2.6.2-1","1:2.6.3-1","1:2.6.4-1","1:2.7.0~rc3-1","1:2.7.0-1","1:2.7.3-0ubuntu1","1:2.7.4-0ubuntu1","1:2.7.4-0ubuntu1.1","1:2.7.4-0ubuntu1.2","1:2.7.4-0ubuntu1.3","1:2.7.4-0ubuntu1.4","1:2.7.4-0ubuntu1.5","1:2.7.4-0ubuntu1.6","1:2.7.4-0ubuntu1.7","1:2.7.4-0ubuntu1.8","1:2.7.4-0ubuntu1.9","1:2.7.4-0ubuntu1.10","1:2.7.4-0ubuntu1.10+esm1","1:2.7.4-0ubuntu1.10+esm3","1:2.7.4-0ubuntu1.10+esm4","1:2.7.4-0ubuntu1.10+esm5","1:2.7.4-0ubuntu1.10+esm6","1:2.7.4-0ubuntu1.10+esm7","1:2.7.4-0ubuntu1.10+esm8","1:2.7.4-0ubuntu1.10+esm9","1:2.7.4-0ubuntu1.10+esm10","1:2.7.4-0ubuntu1.10+esm11","1:2.7.4-0ubuntu1.10+esm13"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-all"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-arch"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-core"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-cvs"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-daemon-run"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-daemon-sysvinit"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-el"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-email"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-gui"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-man"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-mediawiki"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"git-svn"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"gitk"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm13","binary_name":"gitweb"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1000021.json"}},{"package":{"name":"git","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/git@1:2.17.1-1ubuntu0.18+esm8?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.14.1-1ubuntu4","1:2.15.1-1ubuntu2","1:2.17.0-1ubuntu1","1:2.17.1-1ubuntu0.1","1:2.17.1-1ubuntu0.3","1:2.17.1-1ubuntu0.4","1:2.17.1-1ubuntu0.5","1:2.17.1-1ubuntu0.6","1:2.17.1-1ubuntu0.7","1:2.17.1-1ubuntu0.8","1:2.17.1-1ubuntu0.9","1:2.17.1-1ubuntu0.10","1:2.17.1-1ubuntu0.11","1:2.17.1-1ubuntu0.12","1:2.17.1-1ubuntu0.13","1:2.17.1-1ubuntu0.14","1:2.17.1-1ubuntu0.15","1:2.17.1-1ubuntu0.16","1:2.17.1-1ubuntu0.17","1:2.17.1-1ubuntu0.18","1:2.17.1-1ubuntu0.18+esm1","1:2.17.1-1ubuntu0.18+esm2","1:2.17.1-1ubuntu0.18+esm3","1:2.17.1-1ubuntu0.18+esm4","1:2.17.1-1ubuntu0.18+esm6","1:2.17.1-1ubuntu0.18+esm8"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-all"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-cvs"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-daemon-run"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-daemon-sysvinit"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-el"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-email"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-gui"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-man"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-mediawiki"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"git-svn"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"gitk"},{"binary_version":"1:2.17.1-1ubuntu0.18+esm8","binary_name":"gitweb"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1000021.json"}},{"package":{"name":"git","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/git@1:2.25.1-1ubuntu3.14+esm5?arch=source&distro=esm-infra/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.20.1-2ubuntu1","1:2.24.0-1ubuntu1","1:2.24.0-1ubuntu2","1:2.25.0-1ubuntu1","1:2.25.1-1ubuntu1","1:2.25.1-1ubuntu2","1:2.25.1-1ubuntu3","1:2.25.1-1ubuntu3.1","1:2.25.1-1ubuntu3.2","1:2.25.1-1ubuntu3.3","1:2.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