OpenSSL Cryptographic Message Syntax Memory Corruption Vulnerability

# SPDX-FileCopyrightText: 2010 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:openssl:openssl";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100668");
  script_version("2023-07-28T16:09:07+0000");
  script_tag(name:"last_modification", value:"2023-07-28 16:09:07 +0000 (Fri, 28 Jul 2023)");
  script_tag(name:"creation_date", value:"2010-06-04 13:05:19 +0200 (Fri, 04 Jun 2010)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_cve_id("CVE-2010-0742");

  script_name("OpenSSL Cryptographic Message Syntax Memory Corruption Vulnerability");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/40502");
  script_xref(name:"URL", value:"http://www.openssl.org/news/secadv_20100601.txt");

  script_category(ACT_GATHER_INFO);
  script_family("Denial of Service");
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_dependencies("gb_openssl_consolidation.nasl");
  script_mandatory_keys("openssl/detected");

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

  script_tag(name:"summary", value:"OpenSSL is prone to a remote memory-corruption vulnerability.");

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

  script_tag(name:"insight", value:"An attacker can exploit this issue by supplying specially crafted
  structures to a vulnerable application that uses the affected library.");

  script_tag(name:"impact", value:"Successfully exploiting this issue can allow the attacker to execute
  arbitrary code. Failed exploit attempts will result in a denial-of-service condition.");

  script_tag(name:"affected", value:"Versions of OpenSSL 0.9.8.h through 0.9.8n and OpenSSL 1.0.x prior to
  1.0.0a are affected. Note that Cryptographic Message Syntax (CMS)
  functionality is only enabled by default in OpenSSL versions 1.0.x.");

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

  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);

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

if(vers =~ "^0\.9\.([0-7]([^0-9]|$)|8([^a-z0-9]|[a-n]|$))" ||
   vers =~ "^1\.0\.0(-beta|$)") {
  report = report_fixed_ver(installed_version:vers, fixed_version:"0.9.8o/1.0.0a", install_path:path);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);