ClamAV < 0.98.7 Multiple DoS Vulnerabilities - Linux

# Copyright (C) 2015 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:clamav:clamav";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.806019");
  script_version("2022-04-14T06:42:08+0000");
  script_cve_id("CVE-2015-2668", "CVE-2015-2222", "CVE-2015-2221", "CVE-2015-2170");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2022-04-14 06:42:08 +0000 (Thu, 14 Apr 2022)");
  script_tag(name:"creation_date", value:"2015-08-17 12:16:12 +0530 (Mon, 17 Aug 2015)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("ClamAV < 0.98.7 Multiple DoS Vulnerabilities - Linux");

  script_tag(name:"summary", value:"ClamAV is prone to multiple denial of service (DoS) vulnerabilities.");

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

  script_tag(name:"insight", value:"Multiple flaws are due to:

  - an error that is triggered when handling a specially crafted xz archive file,
  which can cause an infinite loops.

  - an error in the 'cli_scanpe' function in pe.c script that is triggered when
  handling petite packed files.

  - an error in the 'yc_poly_emulator' function in yc.c script that is
  triggered when handling a specially crafted y0da cryptor file.

  - an error in the 'pefromupx' function of the UPX decoder that is
  triggered when handling specially crafted files.");

  script_tag(name:"impact", value:"Successful exploitation will allow a remote
  attacker to crash the application.");

  script_tag(name:"affected", value:"ClamAV versions before 0.98.7.");

  script_tag(name:"solution", value:"Update to version 0.98.7 or later.");

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

  script_xref(name:"URL", value:"http://blog.clamav.net/2015/04/clamav-0987-has-been-released.html");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/74472");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/74443");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 Greenbone Networks GmbH");
  script_family("Denial of Service");
  script_dependencies("gb_clamav_ssh_login_detect.nasl", "gb_clamav_remote_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("clamav/detected", "Host/runs_unixoide");

  exit(0);
}

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

if(isnull(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);

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

if(version_is_less(version:vers, test_version:"0.98.7")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"0.98.7", install_path:path);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);