Microsoft Visual Studio Multiple Information Disclosure Vulnerabilities (KB4476698, KB4476755)

# SPDX-FileCopyrightText: 2019 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("1.3.6.1.4.1.25623.1.0.814651");
  script_version("2023-07-14T16:09:27+0000");
  script_cve_id("CVE-2019-0537");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
  script_tag(name:"creation_date", value:"2019-01-14 17:52:03 +0530 (Mon, 14 Jan 2019)");
  script_name("Microsoft Visual Studio Multiple Information Disclosure Vulnerabilities (KB4476698, KB4476755)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft Security Update January-2019.");

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

  script_tag(name:"insight", value:"The flaw exists when Visual Studio improperly discloses arbitrary
  file contents if the victim opens a malicious .vscontent file.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to view arbitrary file contents from the computer where the victim launched
  Visual Studio.");

  script_tag(name:"affected", value:"- Microsoft Visual Studio 2010 Service Pack 1

  - Microsoft Visual Studio 2012 Update 5");

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

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version");
  script_xref(name:"URL", value:"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0537");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4476698");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4476755");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_ms_visual_prdts_detect.nasl");
  script_mandatory_keys("Microsoft/VisualStudio/Ver");
  script_require_ports(139, 445);
  exit(0);
}

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

vsVer = get_kb_item("Microsoft/VisualStudio/Ver");
if(!vsVer|| vsVer !~ "^1[01]\."){
  exit(0);
}

os_arch = get_kb_item("SMB/Windows/Arch");
if(!os_arch){
  exit(0);
}


if("x86" >< os_arch){
  key_list = make_list("SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\");
}

else if("x64" >< os_arch){
  key_list = make_list("SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\",
                       "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\");
}

if(vsVer =~ "^11\.")
{
  foreach key (key_list)
  {
    foreach item (registry_enum_keys(key:key))
    {
      upName = registry_get_sz(key:key + item, item:"DisplayName");
      if("Visual Studio 2012 Update 5" >< upName)
      {
        if(!registry_key_exists(key:"SOFTWARE\Microsoft\Updates\Microsoft Visual Studio 2012\Update for Microsoft Visual Studio 2012 (KB4476755)") &&
           !registry_key_exists(key:"SOFTWARE\Wow6432Node\Microsoft\Updates\Microsoft Visual Studio 2012\Update for Microsoft Visual Studio 2012 (KB4476755)"))
        {
          report = report_fixed_ver(installed_version:"Visual Studio 2012 " + vsVer, fixed_version:"11.0.61239.0");
          security_message(data:report);
          exit(0);
        }
      }
    }
  }
}


if(vsVer =~ "^10\.")
{
  if("x86" >< os_arch){
    key_list_new = make_list("SOFTWARE\Microsoft\DevDiv\VS\Servicing\10.0\");
  }

  else if("x64" >< os_arch){
    key_list_new = make_list("SOFTWARE\Microsoft\DevDiv\VS\Servicing\10.0\",
                             "SOFTWARE\Wow6432Node\Microsoft\DevDiv\VS\Servicing\10.0\");
  }

  foreach key (key_list_new)
  {
    servicepack = registry_get_dword(key:key, item:"SP");
    if(servicepack == 1)
    {
      foreach key (key_list)
      {
         foreach item (registry_enum_keys(key:key))
         {
           hotfixName = registry_get_sz(key:key + item, item:"DisplayName");
           if(hotfixName =~ "^Hotfix for Microsoft Visual Studio 2010 .* - ENU \(KB4476698\)"){
             flag = 1;
           }
         }
      }
      if(flag != 1)
      {
        report = report_fixed_ver(installed_version:"Visual Studio 2010 SP1 " + vsVer, fixed_version:"10.0.40219.501");
        security_message(data:report);
        exit(0);
      }
    }
  }
}
exit(99);