Palo Alto Networks PAN-OS < 4.0.9 / 4.1.x < 4.1.3 Information Disclosure

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

include("compat.inc");

if (description)
{
  script_id(72822);
  script_version("1.7");
  script_cvs_date("Date: 2018/07/24 18:56:13");

  script_cve_id("CVE-2012-6596");
  script_bugtraq_id(62132);

  script_name(english:"Palo Alto Networks PAN-OS < 4.0.9 / 4.1.x < 4.1.3 Information Disclosure");
  script_summary(english:"Checks the PAN-OS version.");

  script_set_attribute(
    attribute:"synopsis",
    value:
"The remote host is affected by an information disclosure
vulnerability."
  );
  script_set_attribute(
    attribute:"description",
    value:
"The remote host is running a version of Palo Alto Networks PAN-OS
prior to 4.0.9 / 4.1.3. It is, therefore, affected by an information
disclosure vulnerability due to LDAP bind passwords being logged in
plaintext when using default logging settings.

Note that the 3.1 branch is not affected by this vulnerability."
  );
  script_set_attribute(attribute:"see_also", value:"https://securityadvisories.paloaltonetworks.com/Home/Detail/7");
  script_set_attribute(attribute:"solution", value:"Upgrade to PAN-OS version 4.0.9 / 4.1.3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
  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_set_attribute(attribute:"vuln_publication_date", value:"2012/04/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/01/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/03/05");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:paloaltonetworks:pan-os");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Palo Alto Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2014-2018 Tenable Network Security, Inc.");

  script_dependencies("palo_alto_version.nbin");
  script_require_keys("Host/Palo_Alto/Firewall/Version", "Host/Palo_Alto/Firewall/Full_Version");

  exit(0);
}

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

app_name = "Palo Alto Networks PAN-OS";
version = get_kb_item_or_exit("Host/Palo_Alto/Firewall/Version");
full_version = get_kb_item_or_exit("Host/Palo_Alto/Firewall/Full_Version");
fix = NULL;

# Ensure sufficient granularity.
if (version !~ "^\d+\.\d+") audit(AUDIT_VER_NOT_GRANULAR, app_name, full_version);

# 3.0.x is not affected
if (version =~ "^3\.1($|[^0-9])") audit(AUDIT_INST_VER_NOT_VULN, app_name, full_version);

if (version =~ "^4\.1($|[^0-9])")
  fix = "4.1.3";
else
  fix = "4.0.9";

# Compare version to fix and report as needed.
if (ver_compare(ver:version, fix:fix, strict:FALSE) == -1)
{
  if (report_verbosity > 0)
  {
    report =
      '\n  Installed version : ' + full_version +
      '\n  Fixed version     : ' + fix +
      '\n';
    security_warning(extra:report, port:0);
  }
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_INST_VER_NOT_VULN, app_name, full_version);