Sympa 'sympa.pl' Insecure Temporary File Creation Vulnerability

# SPDX-FileCopyrightText: 2009 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:sympa:sympa";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100299");
  script_version("2023-07-27T05:05:08+0000");
  script_tag(name:"last_modification", value:"2023-07-27 05:05:08 +0000 (Thu, 27 Jul 2023)");
  script_tag(name:"creation_date", value:"2009-10-11 19:51:15 +0200 (Sun, 11 Oct 2009)");
  script_cve_id("CVE-2008-4476");
  script_tag(name:"cvss_base", value:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");

  script_name("Sympa 'sympa.pl' Insecure Temporary File Creation Vulnerability");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/30727");
  script_xref(name:"URL", value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494969");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_dependencies("sympa_detect.nasl");
  script_mandatory_keys("sympa/detected");

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

  script_tag(name:"solution", value:"Updates are available. Please see the references for more information.");

  script_tag(name:"summary", value:"Sympa creates temporary files in an insecure manner.");

  script_tag(name:"impact", value:"An attacker with local access could potentially exploit this issue to
  perform symbolic-link attacks, overwriting arbitrary files in the context of the affected application.

  Successfully mounting a symlink attack may allow the attacker to delete or corrupt sensitive files, which may
  result in a denial of service. Other attacks may also be possible.");

  script_tag(name:"affected", value:"Sympa 5.4.3 is vulnerable, other versions may also be affected.");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE))
  exit(0);

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

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

if (version_is_less_equal(version: version, test_version: "5.4.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "See advisory", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);