Yubico YubiHSM 2 SDK YubiHSM Shell 2.4.0 Uninitialized Memory Read (YSA-2023-01)

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

include('compat.inc');

if (description)
{
  script_id(269987);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/10/10");

  script_cve_id("CVE-2023-39908");
  script_xref(name:"IAVB", value:"2025-B-0169");

  script_name(english:"Yubico YubiHSM 2 SDK YubiHSM Shell 2.4.0 Uninitialized Memory Read (YSA-2023-01)");

  script_set_attribute(attribute:"synopsis", value:
"The Yubico YubiHSM Shell, a component of YubiHSM 2 SDK, installed on the remote host is affected by an uninitialized memory read vulnability.");
  script_set_attribute(attribute:"description", value:
"The version of Yubico YubiHSM Shell, a component of YubiHSM 2 SDK, installed on the remote host is 2.4.0. It is,
therefore, affected by an uninitlized memory read vulnerability:

  - The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read
    operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.
    (CVE-2023-39908)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.yubico.com/support/security-advisories/ysa-2023-01/");
  script_set_attribute(attribute:"solution", value:
"Upgrade YubiHSM Shell by installing the latest verison of the YubiHSM 2 SDK.");
  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_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-39908");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/08/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/08/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/10/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:yubico:yubihsm-shell");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:yubico:yubihsm_2_sdk");
  script_set_attribute(attribute:"stig_severity", value:"II");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("yubico_yubihsm_shell_nix_installed.nbin");
  script_require_keys("installed_sw/Yubico YubiHSM Shell");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'linux'}}
  ],
  'checks': [
    {
      'product': {'name': 'Yubico YubiHSM Shell', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints' : [
        { 'equal' : '2.4.0', 'fixed_display' : 'Upgrade YubiHSM Shell by installing the latest verison of the YubiHSM 2 SDK.' }
      ]
    }
  ]
};

var vdf_result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING);
vdf::handle_check_and_report_errors(vdf_result:vdf_result);