Memcached < 1.2.8 Information Disclosure Vulnerabilities

# Copyright (C) 2009 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:memcached:memcached";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800715");
  script_version("2022-05-09T13:48:18+0000");
  script_tag(name:"last_modification", value:"2022-05-09 13:48:18 +0000 (Mon, 09 May 2022)");
  script_tag(name:"creation_date", value:"2009-05-18 09:37:31 +0200 (Mon, 18 May 2009)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_cve_id("CVE-2009-1255", "CVE-2009-1494");
  script_name("Memcached < 1.2.8 Information Disclosure Vulnerabilities");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  script_family("General");
  script_dependencies("gb_memcached_detect.nasl", "gb_memcached_detect_udp.nasl");
  script_mandatory_keys("memcached/detected");

  script_xref(name:"URL", value:"http://secunia.com/advisories/34915");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/34756");
  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2009/1196");
  script_xref(name:"URL", value:"http://www.positronsecurity.com/advisories/2009-001.html");

  script_tag(name:"impact", value:"Successful exploitation will let the attacker craft malicious
  commands and pass it to the vulnerable functions to gain sensitive information about the
  application i.e. disclosure of locations of memory regions and defeat ASLR protections, by sending
  a command to the daemon's TCP port.");

  script_tag(name:"affected", value:"Memcached version prior to 1.2.8.");

  script_tag(name:"insight", value:"- Error in process_stat function discloses the contents of
  /proc/self/maps in response to a stats maps command.

  - Error in process_stat function which discloses memory allocation statistics in response to a
  stats malloc command.");

  script_tag(name:"solution", value:"Update to version 1.2.8 or later.");

  script_tag(name:"summary", value:"Memcached is prone to multiple information disclosure
  vulnerabilities.");

  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:"1.2.8" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"1.2.8" );
  security_message( port:port, proto:proto, data:report );
  exit( 0 );
}

exit( 99 );