Vulnerabilities > CVE-2008-6827 - Missing Authentication for Critical Function vulnerability in Symantec Altiris Deployment Solution

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



include("compat.inc");

if (description)
{
  script_id(34963);
  script_version("1.11");
 script_cvs_date("Date: 2018/06/27 18:42:27");

  script_cve_id("CVE-2008-6827");
  script_bugtraq_id(31766);
  script_xref(name:"Secunia", value:"31773");

  script_name(english:"Altiris Deployment Solution Agent < 6.9.355 Local Privilege Escalation (SYM08-019)");
  script_summary(english:"Checks version of aclient.exe");

 script_set_attribute(attribute:"synopsis", value:
"The remote Windows host has a program that is affected by a local
privilege escalation vulnerability.");
 script_set_attribute(attribute:"description", value:
"The version of the Altiris Deployment Solution Agent installed on the
remote host is affected by a local privilege escalation issue.
Successful exploitation of this issue could allow an authorized
non-privileged user to gain local system access on the client system.");
 script_set_attribute(attribute:"see_also", value:"http://www.symantec.com/avcenter/security/Content/2008.10.20a.html");
 script_set_attribute(attribute:"solution", value:
"Upgrade to Altiris Deployment Solution 6.9 Build 355 or later and
update Agents.");
  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:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
 script_cwe_id(264);

 script_set_attribute(attribute:"plugin_publication_date", value:"2008/11/25");

script_set_attribute(attribute:"plugin_type", value:"local");
script_end_attributes();


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

  script_copyright(english:"This script is Copyright (C) 2008-2018 Tenable Network Security, Inc.");

  script_dependencies("smb_hotfixes.nasl");
  script_require_keys("SMB/Registry/Enumerated");
  script_require_ports(139,445);

  exit(0);
}


include("global_settings.inc");
include("smb_func.inc");
include("audit.inc");

if (!get_kb_item("SMB/Registry/Enumerated")) exit(0);

# Connect to the appropriate share.
name    =  kb_smb_name();
port    =  kb_smb_transport();
#if (!get_port_state(port)) exit(0);
login   =  kb_smb_login();
pass    =  kb_smb_password();
domain  =  kb_smb_domain();

#soc = open_sock_tcp(port);
#if (!soc) exit(0);

#session_init(socket:soc, hostname:name);

if(!smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');

rc = NetUseAdd(login:login, password:pass, domain:domain, share:"IPC$");
if (rc != 1) {
  NetUseDel();
  exit(0);
}


# Connect to remote registry.
hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if (isnull(hklm))
{
  NetUseDel();
  exit(0);
}

# Make sure it's installed.
path = NULL;

key = "SOFTWARE\Altiris\Client Service";
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
  value = RegQueryValue(handle:key_h, item:"InstallDir");
  if (!isnull(value))
  {
    path = value[1];
    path = ereg_replace(pattern:"^(.+)\\$", replace:"\1", string:path);
  }

  RegCloseKey(handle:key_h);
}
RegCloseKey(handle:hklm);
if (isnull(path))
{
  NetUseDel();
  exit(0);
}


# Check the version of the main exe.
share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:path);
exe =  ereg_replace(pattern:"^[A-Za-z]:(.*)", replace:"\1\aclient.exe", string:path);
NetUseDel(close:FALSE);

rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if (rc != 1)
{
  NetUseDel();
  exit(0);
}

fh = CreateFile(
  file:exe,
  desired_access:GENERIC_READ,
  file_attributes:FILE_ATTRIBUTE_NORMAL,
  share_mode:FILE_SHARE_READ,
  create_disposition:OPEN_EXISTING
);
ver = NULL;
if (!isnull(fh))
{
  ver = GetFileVersion(handle:fh);
  CloseFile(handle:fh);
}
NetUseDel();


# Check the version number.
if (!isnull(ver))
{
  fix = split("6.9.355", sep:'.', keep:FALSE);
  for (i=0; i<max_index(fix); i++)
    fix[i] = int(fix[i]);

  for (i=0; i<max_index(ver); i++)
    if ((ver[i] < fix[i]))
    {
      if (report_verbosity)
      {
        version = string(ver[0], ".", ver[1], " Build ", ver[2]);
        report = string(
          "\n",
          "Version ", version, " of the Altiris Deployment Solution Agent is installed\n",
          "under :\n",
          "\n",
          "  ", path, "\n"
        );
        security_hole(port:port, extra:report);
      }
      else security_hole(port);
      break;
    }
    else if (ver[i] > fix[i])
      break;
}