Cisco TelePresence Conductor Login Security Bypass Vulnerability

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(81973);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2015-0653");
  script_bugtraq_id(73044);
  script_xref(name:"CISCO-BUG-ID", value:"CSCur05556");
  script_xref(name:"CISCO-SA", value:"cisco-sa-20150311-vcs");

  script_name(english:"Cisco TelePresence Conductor Login Security Bypass Vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by a security bypass vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the Cisco TelePresence
Conductor on the remote host contains an vulnerability due to
inadequate validation of parameters passed during the login process.
A remote attacker, using a crafted request and knowledge of a valid
user name, can bypass authentication requirements and login to the
system.");
  script_set_attribute(attribute:"see_also", value:"https://tools.cisco.com/bugsearch/bug/CSCur05556");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150311-vcs
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3ed34af5");
  script_set_attribute(attribute:"solution", value:
"Upgrade to version 2.3.1 / 2.4.1 / 3.0 or later.");
  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: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:"2015/03/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/03/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/03/20");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:telepresence_conductor");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2015-2022 Tenable Network Security, Inc.");

  script_dependencies("cisco_telepresence_conductor_detect.nbin");
  script_require_keys("Host/Cisco_TelePresence_Conductor/Version");

  exit(0);
}

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

prod = "Cisco TelePresence Conductor";
version = get_kb_item_or_exit("Host/Cisco_TelePresence_Conductor/Version");

# Note that XC3.0PreAlpha2 is listed
# as vuln, but it is not clear what
# such a version would appear like.
if (
  version =~ "^1(\.|$)"        ||
  version =~ "^2\.[0-2](\.|$)" ||
  version =~ "^2\.3(\.0($|[^0-9])|$)"
)
  fix = '2.3.1';
else if (
  version =~ "^2\.4(\.0($|[^0-9])|$)"
)
  fix = '2.4.1 / 3.0';
else
  audit(AUDIT_INST_VER_NOT_VULN, prod, version);

if (report_verbosity > 0)
{
  report = '\n  Installed version : ' + version +
           '\n  Fixed versions    : ' + fix +
           '\n';
  security_hole(port:0, extra:report);
}
else security_hole(0);