Sun xVM VirtualBox < 2.0.6 Insecure Temporary Files Vulnerability - Linux

# SPDX-FileCopyrightText: 2008 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:sun:xvm_virtualbox";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900408");
  script_version("2025-06-24T05:41:22+0000");
  script_tag(name:"cvss_base", value:"4.4");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2025-06-24 05:41:22 +0000 (Tue, 24 Jun 2025)");
  script_tag(name:"creation_date", value:"2008-12-10 17:58:14 +0100 (Wed, 10 Dec 2008)");
  script_cve_id("CVE-2008-5256");
  script_name("Sun xVM VirtualBox < 2.0.6 Insecure Temporary Files Vulnerability - Linux");
  script_copyright("Copyright (C) 2008 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_dependencies("secpod_sun_virtualbox_detect_lin.nasl");
  script_mandatory_keys("Sun/VirtualBox/Lin/Ver");

  script_xref(name:"URL", value:"http://secunia.com/Advisories/32851");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32444");

  script_tag(name:"summary", value:"Sun xVM VirtualBox is prone to an 'insecure temporary files'
  vulnerability.");

  script_tag(name:"insight", value:"Error is due to insecured handling of temporary files in the
  'AcquireDaemonLock' function in ipcdUnix.cpp. This allows local users to overwrite arbitrary files
  via a symlink attack on a '/tmp/.vbox-$USER-ipc/lock' temporary file.");

  script_tag(name:"impact", value:"Successful exploitation will let the attacker perform malicious
  actions with the escalated privileges.");

  script_tag(name:"affected", value:"Sun xVM VirtualBox versions prior to 2.0.6.");

  script_tag(name:"solution", value:"Update to version 2.0.6 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_is_less( version:vers, test_version:"2.0.6" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"2.0.6", install_path:path );
  security_message( port:0, data:report );
  exit( 0 );
}

exit( 99 );