IBM HTTP Server 8.5.0.0 < 8.5.5.24 / 9.0.0.0 < 9.0.5.16 Information Disclosure (6998037)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(183415);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/08");

  script_cve_id("CVE-2023-32342");
  script_xref(name:"IAVB", value:"2023-B-0085-S");

  script_name(english:"IBM HTTP Server 8.5.0.0 < 8.5.5.24 / 9.0.0.0 < 9.0.5.16 Information Disclosure (6998037)");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server is affected by a information disclosure vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of IBM HTTP Server running on the remote host is affected by an information disclosure vulnerability due to
IBM GSKit which is used for SSL connections. An unauthenticated, remote attacker could exploit a timing-based side 
channel in the RSA Decryption implementation, by sending an overly large number of trial messages for decryption, to
obtain sensitive information.

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/6998037");
  script_set_attribute(attribute:"solution", value:
"Upgrade to IBM HTTP Server version 8.5.5.24, 9.0.5.16, or later. Alternatively, upgrade to the minimal fix pack levels
 required by the interim fix and then apply Interim Fix PH52546.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N");
  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:N/UI:N/S:U/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-32342");

  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:"2023/05/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/07/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/10/19");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:http_server");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ibm_http_server_nix_installed.nbin");
  script_require_keys("installed_sw/IBM HTTP Server (IHS)");

  exit(0);
}

include('vcf.inc');

var app = 'IBM HTTP Server (IHS)';
var fix = 'Interim Fix PH52546';

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

if ('PH52546' >< app_info['Fixes'])
  audit(AUDIT_INST_VER_NOT_VULN, app);

var constraints = [
 { 'min_version' : '8.5.0.0', 'max_version' : '8.5.5.23', 'fixed_display' : '8.5.5.24 or ' + fix },
 { 'min_version' : '9.0.0.0', 'max_version' : '9.0.5.15', 'fixed_display' : '9.0.5.16 or ' + fix }
];

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