MS04-007: ASN.1 parsing vulnerability (828028)

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
 script_id(12052);
 script_version("1.49");
 script_cvs_date("Date: 2018/11/15 20:50:29");

 script_cve_id("CVE-2003-0818");
 script_bugtraq_id(9633, 9635, 13300);
 script_xref(name:"MSFT", value:"MS04-007");
 script_xref(name:"MSKB", value:"828028");

 script_name(english:"MS04-007: ASN.1 parsing vulnerability (828028)");
 script_summary(english:"Checks the version of MDAC");

 script_set_attribute(attribute:"synopsis", value:"Arbitrary code can be executed on the remote host.");
 script_set_attribute(attribute:"description", value:
"The remote Windows host has a ASN.1 library that is vulnerable to a
flaw that could allow an attacker to execute arbitrary code on this
host.

To exploit this flaw, an attacker would need to send a specially crafted
ASN.1 encoded packet (either an IPsec session negotiation, or an HTTPS
request) with improperly advertised lengths.

A public code is available to exploit this flaw.");
 script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2004/ms04-007");
 script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Windows NT, 2000, XP and
2003.");
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
 script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"true");
 script_set_attribute(attribute:"exploit_framework_core", value:"true");
 script_set_attribute(attribute:"metasploit_name", value:'MS04-007 Microsoft ASN.1 Library Bitstring Heap Overflow');
 script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
 script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
 script_set_attribute(attribute:"canvas_package", value:'CANVAS');

 script_set_attribute(attribute:"vuln_publication_date", value:"2004/02/10");
 script_set_attribute(attribute:"patch_publication_date", value:"2004/02/10");
 script_set_attribute(attribute:"plugin_publication_date", value:"2004/02/10");

 script_set_attribute(attribute:"plugin_type", value:"local");
 script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
 script_end_attributes();

 script_category(ACT_GATHER_INFO);

 script_copyright(english:"This script is Copyright (C) 2004-2018 Tenable Network Security, Inc.");
 script_family(english:"Windows : Microsoft Bulletins");

 script_dependencies("smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
 script_require_keys("SMB/MS_Bulletin_Checks/Possible");
 script_require_ports(139, 445, 'Host/patch_management_checks');
 exit(0);
}

include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("misc_func.inc");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS04-007';
kb = '828028';

kbs = make_list(kb);
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);

get_kb_item_or_exit("SMB/Registry/Enumerated");
get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1);

if (hotfix_check_sp_range(nt:'6', win2k:'2,4', xp:'0,1', win2003:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);

rootfile = hotfix_get_systemroot();
if (!rootfile) exit(1, "Failed to get the system root.");

share = hotfix_path2share(path:rootfile);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);

if (
  hotfix_is_vulnerable(os:"5.2", sp:0, file:"Msasn1.dll", version:"5.2.3790.88", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"5.1", sp:1, file:"Msasn1.dll", version:"5.1.2600.1274", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"5.1", sp:0, file:"Msasn1.dll", version:"5.1.2600.119", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"5.0", file:"Msasn1.dll", version:"5.0.2195.6823", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"4.0", file:"Msasn1.dll", version:"5.0.2195.6824", dir:"\system32", bulletin:bulletin, kb:kb)
)
{
  set_kb_item(name:"SMB/Missing/"+bulletin, value:TRUE);
  hotfix_security_hole();
  hotfix_check_fversion_end();
  exit(0);
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, 'affected');
}