7zip < 18.05 RAR DoS Vulnerability - Windows

# SPDX-FileCopyrightText: 2018 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:7-zip:7-zip";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.107312");
  script_version("2026-06-11T07:15:11+0000");
  script_tag(name:"last_modification", value:"2026-06-11 07:15:11 +0000 (Thu, 11 Jun 2026)");
  script_tag(name:"creation_date", value:"2018-05-11 16:37:09 +0200 (Fri, 11 May 2018)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  script_cve_id("CVE-2018-10115");
  script_name("7zip < 18.05 RAR DoS Vulnerability - Windows");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_7zip_detect_portable_win.nasl");
  script_mandatory_keys("7zip/Win/Ver");
  script_tag(name:"summary", value:"7zip is prone to a RAR denial of service (DoS) vulnerability.");
  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
  script_tag(name:"insight", value:"Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before
  can lead to usage of uninitialized memory, allowing remote attackers to cause a denial of service (segmentation fault)
  or execute arbitrary code via a crafted RAR archive.");
  script_tag(name:"affected", value:"7zip through version 18.03.");
  script_tag(name:"solution", value:"Update to version 18.05 or later.");
  script_xref(name:"URL", value:"https://sourceforge.net/p/sevenzip/discussion/45797/thread/e730c709/?limit=25&page=1#b240");
  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:"18.05")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"18.05", install_path:path);
  security_message(port:0, data:report);
  exit(0);
}

exit(99);