{"description": "Sendmail is not the default mail transfer agent and is\nnot installed by default.\nThe <code>sendmail</code> package can be removed with the following command:\n<pre>\n$ apt-get remove sendmail</pre>", "rationale": "The sendmail software was not developed with security in mind and\nits design prevents it from being effectively contained by SELinux.  Postfix\nshould be used instead.", "severity": "medium", "references": {"cis-csc": ["11", "14", "3", "9"], "cobit5": ["BAI10.01", "BAI10.02", "BAI10.03", "BAI10.05", "DSS05.02", "DSS05.05", "DSS06.06"], "isa-62443-2009": ["4.3.3.5.1", "4.3.3.5.2", "4.3.3.5.3", "4.3.3.5.4", "4.3.3.5.5", "4.3.3.5.6", "4.3.3.5.7", "4.3.3.5.8", "4.3.3.6.1", "4.3.3.6.2", "4.3.3.6.3", "4.3.3.6.4", "4.3.3.6.5", "4.3.3.6.6", "4.3.3.6.7", "4.3.3.6.8", "4.3.3.6.9", "4.3.3.7.1", "4.3.3.7.2", "4.3.3.7.3", "4.3.3.7.4", "4.3.4.3.2", "4.3.4.3.3"], "isa-62443-2013": ["SR 1.1", "SR 1.10", "SR 1.11", "SR 1.12", "SR 1.13", "SR 1.2", "SR 1.3", "SR 1.4", "SR 1.5", "SR 1.6", "SR 1.7", "SR 1.8", "SR 1.9", "SR 2.1", "SR 2.2", "SR 2.3", "SR 2.4", "SR 2.5", "SR 2.6", "SR 2.7", "SR 7.6"], "iso27001-2013": ["A.12.1.2", "A.12.5.1", "A.12.6.2", "A.14.2.2", "A.14.2.3", "A.14.2.4", "A.9.1.2"], "nist": ["CM-7(a)", "CM-7(b)", "CM-6(a)"], "nist-csf": ["PR.IP-1", "PR.PT-3"], "srg": ["SRG-OS-000480-GPOS-00227", "SRG-OS-000095-GPOS-00049"], "anssi": ["R62"]}, "control_references": {"anssi": ["R62"]}, "components": [], "identifiers": {}, "ocil_clause": "the package is installed", "ocil": "\nRun the following command to determine if the <code>sendmail</code> package is installed:\n<pre>$ dpkg -l  sendmail</pre>", "oval_external_content": null, "fixtext": " To remove the Ubuntu 22.04 package sendmail run the following command:\n\n$ apt-get remove sendmail", "checktext": "", "vuldiscussion": "", "srg_requirement": " Ubuntu 22.04 must not have the sendmail package installed.", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {"stig": {"srg_requirement": "Ubuntu 22.04 must not have the sendmail package installed.", "vuldiscussion": "The sendmail software was not developed with security in mind, and its design prevents it from being effectively contained by SELinux. Postfix must be used instead.", "checktext": "Verify that the sendmail package is not installed with the following command:\n\n$ dnf list --installed sendmail\n\nError: No matching Packages to list\n\nIf the \"sendmail\" package is installed, this is a finding.", "fixtext": "Remove the sendmail package with the following command:\n\n$ sudo dnf remove sendmail"}}, "platform": null, "platforms": [], "sce_metadata": {}, "inherited_platforms": ["system_with_kernel"], "cpe_platform_names": [], "inherited_cpe_platform_names": ["system_with_kernel"], "bash_conditional": null, "fixes": {}, "title": "Uninstall Sendmail Package", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/services/mail/package_sendmail_removed/rule.yml", "template": {"name": "package_removed", "vars": {"pkgname": "sendmail"}, "backends": {}}}