Xen arm32: The cache may not be properly cleaned/invalidated (XSA-437)

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

include('compat.inc');

if (description)
{
  script_id(180575);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/15");

  script_cve_id("CVE-2023-34321");
  script_xref(name:"IAVB", value:"2023-B-0067-S");

  script_name(english:"Xen arm32: The cache may not be properly cleaned/invalidated (XSA-437)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Xen hypervisor installation is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The Arm cache may not be properly cleaned or invalidated due to an arithmetic overflow flaw.

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://xenbits.xenproject.org/xsa/advisory-437.txt");
  script_set_attribute(attribute:"solution", value:
"Apply the appropriate patch according to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:P/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:L/AC:L/PR:L/UI:N/S:U/C:L/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-2023-34321");

  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:"2023/09/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/09/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/07");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xen:xen");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

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

  script_dependencies("xen_server_detect.nbin");
  script_require_keys("installed_sw/Xen Hypervisor", "Settings/ParanoidReport");

  exit(0);
}

include('vcf.inc');
include('vcf_extras.inc');

var fixes;
var app = 'Xen Hypervisor';
var app_info = vcf::xen_hypervisor::get_app_info(app:app);
if (report_paranoia < 2) audit(AUDIT_PARANOID);

fixes['4.15']['fixed_ver']           = '4.15.5';
fixes['4.15']['fixed_ver_display']   = '4.15.5 (changeset 0517763)';
fixes['4.15']['affected_ver_regex']  = "^4\.15([^0-9]|$)";
fixes['4.15']['affected_changesets'] = make_list('da7f151');


fixes['4.16']['fixed_ver']           = '4.16.5';
fixes['4.16']['fixed_ver_display']   = '4.16.5 (changeset d720c23)';
fixes['4.16']['affected_ver_regex']  = "^4\.16([^0-9]|$)";
fixes['4.16']['affected_changesets'] = make_list('b9ad687');

fixes['4.17']['fixed_ver']           = '4.17.3';
fixes['4.17']['fixed_ver_display']   = '4.17.3-pre (changeset d31e5b2)';
fixes['4.17']['affected_ver_regex']  = "^4\.17([^0-9]|$)";
fixes['4.17']['affected_changesets'] = make_list('699de51', '8be85d8',
  'a939e95', '7ca58fb', '0429822', 'ba360fb', '5116fe1', 'e08e733',
  '1bd4523', 'a885649', 'd0cdd34', 'f04295d', 'e5f9987', '7b5155a',
  '052a8d2', 'f00d563', 'e418a77', '24487fe', 'ae1045c', '37f1d68',
  '476d262', 'a1f68fb', '36e84ea', '56076ef', '1c3927f', '8d84be5',
  '7d88979', '2f337a0');

vcf::xen_hypervisor::check_version_and_report(app_info:app_info, fixes:fixes, severity:SECURITY_NOTE);