MS11-014: Vulnerability in Local Security Authority Subsystem Service Could Allow Local Elevation of Privilege (2478960)

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

include("compat.inc");

if (description)
{
  script_id(51914);
  script_version("1.16");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/08/05");

  script_cve_id("CVE-2011-0039");
  script_bugtraq_id(46152);
  script_xref(name:"IAVA", value:"2011-A-0024-S");
  script_xref(name:"MSFT", value:"MS11-014");
  script_xref(name:"MSKB", value:"2478960");

  script_name(english:"MS11-014: Vulnerability in Local Security Authority Subsystem Service Could Allow Local Elevation of Privilege (2478960)");
  script_summary(english:"Checks file version of Lsasrv.dll");

  script_set_attribute(
    attribute:"synopsis",
    value:"Local users can elevate their privileges on the remote host."
  );
  script_set_attribute(
    attribute:"description",
    value:
"The remote host allows elevation of privileges through its Local
Security Authority Subsystem Service (LSASS) due to a failure to
properly process specially crafted authentication requests.

An attacker who has the ability to log on to the affected host can
leverage this issue to gain full administrative rights."
  );
  # https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2011/ms11-014
  script_set_attribute(attribute:"see_also", value:"https://www.nessus.org/u?381c8040");
  script_set_attribute(attribute:"solution", value:"Microsoft has released a set of patches for Windows XP and 2003.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2011-0039");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/02/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/02/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/02/08");

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

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2011-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  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_hotfixes_fcheck.inc");
include("smb_hotfixes.inc");
include("smb_func.inc");
include("misc_func.inc");


get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS11-014';
kb = "2478960";

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(xp:'3', win2003:'2') <= 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 (
  # Windows 2003 and XP x64
  hotfix_is_vulnerable(os:"5.2", sp:2,             file:"Lsasrv.dll", version:"5.2.3790.4806", dir:"\system32", bulletin:bulletin, kb:kb) ||

  # Windows XP x86
  hotfix_is_vulnerable(os:"5.1", sp:3, arch:"x86", file:"Lsasrv.dll", version:"5.1.2600.6058", 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');
}