Sudo 1.9.14 - 1.9.17 Local Privilege Escalation Vulnerability

# SPDX-FileCopyrightText: 2025 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

CPE = "cpe:/a:sudo_project:sudo";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.119061");
  script_version("2025-12-19T15:41:09+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2025-32463");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2025-12-19 15:41:09 +0000 (Fri, 19 Dec 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2025-07-17 15:56:53 +0000 (Thu, 17 Jul 2025)");
  script_tag(name:"creation_date", value:"2025-07-14 14:14:01 +0000 (Mon, 14 Jul 2025)");
  script_name("Sudo 1.9.14 - 1.9.17 Local Privilege Escalation Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2025 Greenbone AG");
  script_family("Privilege escalation");
  script_dependencies("gb_sudo_ssh_login_detect.nasl");
  script_mandatory_keys("sudo/ssh-login/detected");

  script_xref(name:"URL", value:"https://www.sudo.ws/releases/stable/#1.9.17p1");
  script_xref(name:"URL", value:"https://www.sudo.ws/security/advisories/chroot_bug/");
  script_xref(name:"URL", value:"https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot");
  script_xref(name:"URL", value:"https://seclists.org/oss-sec/2025/q2/288");

  script_tag(name:"summary", value:"Sudo is prone to a local privilege escalation vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"An attacker can leverage sudo's -R (--chroot) option to run
  arbitrary commands as root, even if they are not listed in the sudoers file.");

  script_tag(name:"affected", value:"Sudo versions 1.9.14 through 1.9.17.");

  script_tag(name:"solution", value:"Update to version 1.9.17p1 or later.");

  script_tag(name:"qod_type", value:"executable_version_unreliable");
  script_tag(name:"solution_type", value:"VendorFix");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if( ! infos = get_app_version_and_location( cpe:CPE, exit_no_version:TRUE ) )
  exit( 0 );

vers = infos["version"];
path = infos["location"];

if( version_in_range( version:vers, test_version:"1.9.14", test_version2:"1.9.17" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"1.9.17p1", install_path:path );
  security_message( port:0, data:report );
  exit( 0 );
}

exit( 99 );