IBM WebSphere Application Server 7.0.0.x < 7.0.0.43 / 8.0.0.x < 8.0.0.13 / 8.5.x < 8.5.5.10 / 9.0.x < 9.0.0.1 DoS (CVE-2016-2960)

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

include('compat.inc');

if (description)
{
  script_id(142138);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/11/30");

  script_cve_id("CVE-2016-2960");

  script_name(english:"IBM WebSphere Application Server 7.0.0.x < 7.0.0.43 / 8.0.0.x < 8.0.0.13 / 8.5.x < 8.5.5.10 / 9.0.x < 9.0.0.1 DoS (CVE-2016-2960)");

  script_set_attribute(attribute:"synopsis", value:
"The remote web application server is affected by a denial of service vulnerability");
  script_set_attribute(attribute:"description", value:
"The IBM WebSphere Application Server running on the remote host is version 7.0.0.x prior to 7.0.0.43, 8.0.0.x prior to
8.0.0.13, 8.5.0.x prior to 8.5.5.10 or 9.0.x prior to 9.0.0.1. It is, therefore, affected by a denial of service
vulnerability when using SIP services. An unauthenticated, remote attacker can exploit this, with specially-crafted SIP
messages.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.ibm.com/support/pages/node/281439");
  script_set_attribute(attribute:"solution", value:
"Upgrade to IBM WebSphere Application Server 7.0.0.43, 8.0.0.13, 8.5.5.10, 9.0.0.1, or later. Alternatively, upgrade to
the minimal fix pack levels required by the interim fix and then apply Interim Fix PI61548.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-2960");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/08/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/08/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/10/30");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:websphere_application_server");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Web Servers");

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

  script_dependencies("websphere_detect.nasl", "ibm_enum_products.nbin", "ibm_websphere_application_server_nix_installed.nbin");
  script_require_keys("installed_sw/IBM WebSphere Application Server");

  exit(0);
}

include('vcf.inc');

app = 'IBM WebSphere Application Server';
fix = 'Interim Fix PI61548';

app_info = vcf::combined_get_app_info(app:app);
vcf::check_granularity(app_info:app_info, sig_segments:4);

# If the detection is only remote, Source will be set, and we should require paranoia
if (!empty_or_null(app_info['Source']) && app_info['Source'] != 'unknown' && report_paranoia < 2)
  audit(AUDIT_PARANOID);

if ('PI61548' >< app_info['Fixes'])
  audit(AUDIT_INST_VER_NOT_VULN, app);

constraints = [
  {'min_version':'7.0.0.0', 'max_version':'7.0.0.41', 'fixed_display':'7.0.0.43 or ' + fix},
  {'min_version':'8.0.0.0', 'max_version':'8.0.0.12', 'fixed_display':'8.0.0.13'},
  {'min_version':'8.5.0.0', 'max_version':'8.5.5.9', 'fixed_display':'8.5.5.10 or ' + fix},
  {'min_version':'9.0.0.0', 'max_version':'9.0.0.0', 'fixed_display':'9.0.0.1 or ' + fix}
];

vcf::check_version_and_report(
  app_info:app_info,
  constraints:constraints,
  severity:SECURITY_WARNING
);