Memcached < 1.4.33 Multiple RCE Vulnerabilities

# SPDX-FileCopyrightText: 2016 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:memcached:memcached";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140042");
  script_version("2024-06-28T15:38:46+0000");
  script_cve_id("CVE-2016-8704", "CVE-2016-8705", "CVE-2016-8706");
  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_tag(name:"last_modification", value:"2024-06-28 15:38:46 +0000 (Fri, 28 Jun 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-01-05 02:31:00 +0000 (Fri, 05 Jan 2018)");
  script_tag(name:"creation_date", value:"2016-11-02 14:57:47 +0100 (Wed, 02 Nov 2016)");
  script_name("Memcached < 1.4.33 Multiple RCE Vulnerabilities");
  script_xref(name:"URL", value:"https://github.com/memcached/memcached/wiki/ReleaseNotes1433");
  script_xref(name:"URL", value:"http://blog.talosintel.com/2016/10/memcached-vulnerabilities.html");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("General");
  script_dependencies("gb_memcached_detect.nasl", "gb_memcached_detect_udp.nasl");
  script_mandatory_keys("memcached/detected");

  script_tag(name:"affected", value:"Memcached prior to 1.4.33.");

  script_tag(name:"insight", value:"These vulnerabilities manifest in various Memcached functions that are
  used in inserting, appending, prepending, or modifying key-value data pairs. Systems which also have
  Memcached compiled with support for SASL authentication are also vulnerable to a third flaw due to how
  Memcached handles SASL authentication commands.");

  script_tag(name:"solution", value:"Update to Memcached 1.4.33 or later.");

  script_tag(name:"summary", value:"Multiple integer overflow vulnerabilities exist within Memcached
  that could be exploited to achieve remote code execution (RCE) on the targeted system.");

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

  exit(0);
}

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

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

if( ! infos = get_app_version_and_proto( cpe:CPE, port:port ) )
  exit( 0 );

vers = infos["version"];
proto = infos["proto"];

if( version_is_less( version:vers, test_version:"1.4.33" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"1.4.33" );
  security_message( port:port, proto:proto, data:report );
  exit( 0 );
}

exit( 99 );