Amazon Kiro IDE < 0.11.133 Incorrect Default Permissions

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

include('compat.inc');

if (description)
{
  script_id(323896);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/01");

  script_cve_id("CVE-2026-11931");
  script_xref(name:"IAVB", value:"2026-B-0174");

  script_name(english:"Amazon Kiro IDE < 0.11.133 Incorrect Default Permissions");

  script_set_attribute(attribute:"synopsis", value:
"An IDE installed on the remote host is affected by an information disclosure vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Amazon Kiro IDE installed on the remote host is prior to 0.11.133. It is, therefore, affected by an
information disclosure vulnerability.

  - Incorrect default permissions in Kiro IDE on macOS and Linux before version 0.11.133 could expose the
    authentication token cache file to other local users or processes via world-readable permissions (0644)
    instead of owner-restricted permissions (0600). (CVE-2026-11931)

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://aws.amazon.com/security/security-bulletins/2026-045-aws/");
  script_set_attribute(attribute:"see_also", value:"https://kiro.dev/changelog/ide/0-11/#patch-0-11-133");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Amazon Kiro IDE version 0.11.133 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/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:L/AC:L/PR:L/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:"cvss4_vector", value:"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-11931");

  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:"2026/06/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/06/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/06/30");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:amazon:kiro");
  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) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("amazon_kiro_nix_installed.nbin", "amazon_kiro_macos_installed.nbin");
  script_require_keys("installed_sw/Amazon Kiro");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match_one': {'os': ['linux', 'macos']}}
  ],
  'checks': [
    {
      'product': {'name': 'Amazon Kiro', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'fixed_version': '0.11.133'}
      ]
    }
  ]
};

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