Microsoft Media Decompression Remote Code Execution Vulnerability (2447961)

# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900267");
  script_version("2026-04-28T06:28:06+0000");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2010-12-15 14:53:45 +0100 (Wed, 15 Dec 2010)");
  script_cve_id("CVE-2010-3965");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_name("Microsoft Media Decompression Remote Code Execution Vulnerability (2447961)");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2447961");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/42855");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-094");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/registry_enumerated");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to load crafted DLL
  file and execute any code it contained.");

  script_tag(name:"affected", value:"- Microsoft Windows Media Encoder 9 with

  - Microsoft Windows XP Service Pack 3 and prior

  - Microsoft Windows 2003 Service Pack 2 and prior

  - Microsoft Windows Vista Service Pack 1/2 and prior

  - Microsoft Windows Server 2008 Service Pack 1/2 and prior");

  script_tag(name:"insight", value:"The flaw is present when the Windows Media Encoder incorrectly restricts
  the path used for loading external libraries. An attacker could convince
  a user to open a legitimate '.prx' file that is located in the same network
  directory as a specially crafted dynamic link library (DLL) file.");

  script_tag(name:"summary", value:"This host is missing a critical security update according to
  Microsoft Bulletin MS10-094.");

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

  script_tag(name:"qod_type", value:"executable_version");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}

include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");


## OS with Hotfix Check
if(hotfix_check_sp(xp:4, win2003:3, winVista:3, win2008:3) <= 0){
  exit(0);
}

## MS10-094 Hotfix check
if(hotfix_missing(name:"2447961") == 0){
  exit(0);
}

wme9Installed = registry_key_exists(key:"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Windows Media Encoder 9");
if(wme9Installed)
{
  wmekey = "SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\wmenc.exe";
  wmeitem = "Path";
  wmePath = registry_get_sz(key:wmekey, item:wmeitem);

  dllVer = fetch_file_version(sysPath:wmePath, file_name:"wmenc.exe");

  if(dllVer)
  {
    if(version_in_range(version:dllVer, test_version:"9.0", test_version2:"9.0.0.3373")) {
      report = report_fixed_ver(installed_version:dllVer, vulnerable_range:"9.0 - 9.0.0.3373", install_path:wmePath);
      security_message(port: 0, data: report);
      exit(0);
    }
  }
}