GaussDB: Changing the Password of the Initial User

# SPDX-FileCopyrightText: 2020 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.150270");
  script_version("2023-07-27T05:05:09+0000");
  script_tag(name:"last_modification", value:"2023-07-27 05:05:09 +0000 (Thu, 27 Jul 2023)");
  script_tag(name:"creation_date", value:"2020-06-17 09:34:21 +0000 (Wed, 17 Jun 2020)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:S/C:N/I:N/A:N");
  script_tag(name:"qod", value:"97");

  script_name("GaussDB: Changing the Password of the Initial User");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Policy");
  script_dependencies("Policy/GaussDB/gaussdb_authentication_information.nasl", "compliance_tests.nasl", "gather-package-list.nasl");
  script_mandatory_keys("Compliance/Launch");

  script_xref(name:"URL", value:"https://support.huawei.com/enterprise/en/doc/EDOC1100098622");
  script_tag(name:"summary", value:"The initial user SYS is a system administrator and has all
system permissions. For database security, change the password of SYS as soon as possible after the
database is installed.");

  exit(0);
}

include("policy_functions.inc");

cmd = "Check password from VT 'GaussDB: Authentication Parameters' (OID: 1.3.6.1.4.1.25623.1.0.150259)";
title = "Changing the Password of the Initial User";
solution = "ALTER USER user_name IDENTIFIED BY newpassword REPLACE oldpassword;";
test_type = "DB_Check";
default = "Changeme_123";

if ( ! get_kb_item( "login/SSH/success" ) ) {
  compliant = "incomplete";
  value = "error";
  comment = "No SSH connection to host";
} else if ( ! password = get_kb_item( "Policy/gaussdb/password" ) ) {
  compliant = "incomplete";
  value = "error";
  comment = "Can not find password sys user";
} else if ( get_kb_item("Policy/gaussdb/user" ) != "SYS" ) {
  compliant = "incomplete";
  value = "error";
  comment = "Scan user is not SYS.";
} else {
  if ( password == "Changeme_123" ) {
    compliant = "no";
    value = "Changeme_123";
  } else {
    compliant = "yes";
    value = "Not 'Changeme_123'";
  }
}

policy_reporting(result:value, default:default, compliant:compliant, fixtext:solution,
  type:test_type, test:cmd, info:comment);

policy_set_kbs(type:test_type, cmd:cmd, default:default, solution:solution, title:title,
  value:value, compliant:compliant);

exit(0);