IBM WebSphere Application Server 7.0.0.x <= 7.0.0.45 / 8.0.0.x <= 8.0.0.15 / 8.5.x < 8.5.5.18 / 9.0.x < 9.0.5.5 RCE (6250059)

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

include('compat.inc');

if (description)
{
  script_id(138878);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/11/30");

  script_cve_id("CVE-2020-4464");
  script_xref(name:"IAVA", value:"2020-A-0333-S");

  script_name(english:"IBM WebSphere Application Server 7.0.0.x <= 7.0.0.45 / 8.0.0.x <= 8.0.0.15 / 8.5.x < 8.5.5.18 / 9.0.x < 9.0.5.5 RCE (6250059)");

  script_set_attribute(attribute:"synopsis", value:
"The remote web application server is affected by a remote code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The IBM WebSphere Application Server running on the remote host is version 7.0.0.0 through 7.0.0.45, 8.0.0.0 through
8.0.0.15, 8.5.0.0 through 8.5.5.17, or 9.0.0.0 through 9.0.5.4. It is, therefore, affected by a remote code execution
vulnerability. An authenticated, remote attacker can exploit this to execute arbitrary code on a system with a specially
crafted sequence of serialized objects over the SOAP connector.

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/6250059");
  script_set_attribute(attribute:"solution", value:
"Upgrade to IBM WebSphere Application Server 8.5.5.18, 9.0.5.5, or later. Alternatively, upgrade to the minimal fix pack
levels required by the interim fix and then apply Interim Fix PH26952.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-4464");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/07/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/23");

  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_set_attribute(attribute:"stig_severity", value:"I");
  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 PH26952';

get_install_count(app_name:app, exit_if_zero:TRUE);
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 ('PH26952' >< app_info['Fixes'])
  audit(AUDIT_INST_VER_NOT_VULN, app);

constraints = [
  {'min_version' : '7.0.0.0', 'max_version' : '7.0.0.45', 'fixed_version' : fix},
  {'min_version' : '8.0.0.0', 'max_version' : '8.0.0.15', 'fixed_version' : fix},
  {'min_version' : '8.5.0.0', 'max_version' : '8.5.5.17', 'fixed_version' : '8.5.5.18 or ' + fix},
  {'min_version' : '9.0.0.0', 'max_version' : '9.0.5.4',  'fixed_version' : '9.0.5.5 or ' + fix}
];

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