ClamAV < 0.98.7 Multiple DoS Vulnerabilities - Linux

# SPDX-FileCopyrightText: 2015 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:clamav:clamav";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.806019");
  script_version("2025-07-03T05:42:54+0000");
  script_tag(name:"last_modification", value:"2025-07-03 05:42:54 +0000 (Thu, 03 Jul 2025)");
  script_tag(name:"creation_date", value:"2015-08-17 12:16:12 +0530 (Mon, 17 Aug 2015)");
  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_cve_id("CVE-2015-2170", "CVE-2015-2221", "CVE-2015-2222", "CVE-2015-2668");

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

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

  script_name("ClamAV < 0.98.7 Multiple DoS Vulnerabilities - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_clamav_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("clamav/detected", "Host/runs_unixoide");

  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:"The following flaws exist:

  - CVE-2015-2668: An error is triggered when handling a specially crafted xz archive file, which
  can cause an infinite loops.

  - CVE-2015-2222: Error in the 'cli_scanpe' function in pe.c script that is triggered when handling
  petite packed files.

  - CVE-2015-2221: Error in the 'yc_poly_emulator' function in yc.c script that is triggered when
  handling a specially crafted y0da cryptor file.

  - CVE-2015-2170: 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 prior to version 0.98.7.");

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

  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");

  exit(0);
}

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

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

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

exit(99);