Unchecked Buffer in PPTP Implementation Could Enable DOS Attacks (Q329834)

# SPDX-FileCopyrightText: 2002 SECNAP Network Security, LLC
# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.11178");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  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-2002-1214");
  script_name("Unchecked Buffer in PPTP Implementation Could Enable DOS Attacks (Q329834)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2002 SECNAP Network Security, LLC");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl");
  script_mandatory_keys("SMB/registry_enumerated");

  script_tag(name:"summary", value:"Hotfix to fix Unchecked Buffer in PPTP Implementation
  (Q329834) is not installed.");

  script_tag(name:"insight", value:"A security vulnerability results in the Windows 2000 and
  Windows XP implementations because of an unchecked buffer in a section of code that processes
  the control data used to establish, maintain and tear down PPTP connections. By delivering
  specially malformed PPTP control data to an affected server, an attacker could corrupt kernel
  memory and cause the system to fail, disrupting any work in progress on the system.");

  script_tag(name:"impact", value:"Denial of service");

  script_tag(name:"affected", value:"- Microsoft Windows 2000

  - Microsoft Windows XP");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-063");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/5807");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/6067");

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

  exit(0);
}

include("secpod_reg.inc");

if ( hotfix_check_sp(nt:7, win2k:4, xp:2) <= 0 ) exit(0);
if ( hotfix_missing(name:"Q329834") > 0 )
  security_message(port:0);