{"id":"UBUNTU-CVE-2021-40330","details":"git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring.","modified":"2026-02-04T03:21:49.970647Z","published":"2021-08-31T04:15:00Z","related":["USN-5076-1"],"upstream":["CVE-2021-40330"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-40330"},{"type":"REPORT","url":"https://github.com/git/git/compare/v2.30.0...v2.30.1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5076-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-40330"}],"affected":[{"package":{"name":"git","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/git@1:2.7.4-0ubuntu1.10+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.7.4-0ubuntu1.10+esm1"}]}],"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"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"git","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-all","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-arch","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-core","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-cvs","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-daemon-run","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-daemon-sysvinit","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-el","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-email","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-gui","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-man","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-mediawiki","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"git-svn","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_name":"gitk","binary_version":"1:2.7.4-0ubuntu1.10+esm1"},{"binary_version":"1:2.7.4-0ubuntu1.10+esm1","binary_name":"gitweb"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40330.json"}},{"package":{"name":"git","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/git@1:2.17.1-1ubuntu0.9?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.17.1-1ubuntu0.9"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"git","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_version":"1:2.17.1-1ubuntu0.9","binary_name":"git-all"},{"binary_name":"git-cvs","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_name":"git-daemon-run","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_name":"git-daemon-sysvinit","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_version":"1:2.17.1-1ubuntu0.9","binary_name":"git-el"},{"binary_name":"git-email","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_name":"git-gui","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_name":"git-man","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_version":"1:2.17.1-1ubuntu0.9","binary_name":"git-mediawiki"},{"binary_name":"git-svn","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_name":"gitk","binary_version":"1:2.17.1-1ubuntu0.9"},{"binary_name":"gitweb","binary_version":"1:2.17.1-1ubuntu0.9"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40330.json"}},{"package":{"name":"git","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/git@1:2.25.1-1ubuntu3.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.25.1-1ubuntu3.2"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"git","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_name":"git-all","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_name":"git-cvs","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_version":"1:2.25.1-1ubuntu3.2","binary_name":"git-daemon-run"},{"binary_name":"git-daemon-sysvinit","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_version":"1:2.25.1-1ubuntu3.2","binary_name":"git-el"},{"binary_name":"git-email","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_name":"git-gui","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_name":"git-man","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_name":"git-mediawiki","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_name":"git-svn","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_name":"gitk","binary_version":"1:2.25.1-1ubuntu3.2"},{"binary_version":"1:2.25.1-1ubuntu3.2","binary_name":"gitweb"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40330.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}