Kerberos5 Version Detection

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_kerberos5_detect.nasl 7823 2017-11-20 08:54:04Z cfischer $
#
# Kerberos5 Version Detection
#
# Authors:
# Antu Sanadi <[email protected]>
#
# Copyright:
# Copyright (c) 2010 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

tag_summary = "This script detects the installed version of Kerberos5 and
  sets the result in KB.";

if(description)
{
  script_id(800432);
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
 script_version("$Revision: 7823 $");
  script_tag(name:"last_modification", value:"$Date: 2017-11-20 09:54:04 +0100 (Mon, 20 Nov 2017) $");
  script_tag(name:"creation_date", value:"2010-01-20 08:21:11 +0100 (Wed, 20 Jan 2010)");
  script_tag(name:"cvss_base", value:"0.0");
  script_name("Kerberos5 Version Detection");
  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"executable_version");
  script_copyright("Copyright (c) 2010 Greenbone Networks GmbH");
  script_family("Product detection");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("login/SSH/success");
  script_exclude_keys("ssh/no_linux_shell");

  script_tag(name : "summary" , value : tag_summary);
  exit(0);
}


include("ssh_func.inc");
include("version_func.inc");
include("cpe.inc");
include("host_details.inc");

## Constant values
SCRIPT_OID  = "1.3.6.1.4.1.25623.1.0.800432";
SCRIPT_DESC = "Kerberos5 Version Detection";

sock = ssh_login_or_reuse_connection();
if(!sock){
  exit(0);
}

#Set Version KB for Kerberos5
krbPath = find_bin(prog_name:"krb5-config", sock:sock);
foreach krbFile (krbPath)
{
  krbVer = get_bin_version(full_prog_name:chomp(krbFile), version_argv:"--version",
                   ver_pattern:"[Rr]elease ([0-9.]+)", sock:sock);
  if(krbVer[1] != NULL)
  {
    set_kb_item(name:"Kerberos5/Ver", value:krbVer[1]);
    log_message(data:"Kerberos5 version " + krbVer[1] + " running at location "
                         + krbFile + " was detected on the host");
      
    ## build cpe and store it as host_detail
    cpe = build_cpe(value:krbVer[1], exp:"^([0-9.]+)", base:"cpe:/a:mit:kerberos:");
    if(!isnull(cpe))
       register_host_detail(name:"App", value:cpe, nvt:SCRIPT_OID, desc:SCRIPT_DESC);

  }
}