Jenkins < 2.235.4 LTS / 2.252 Multiple Cross-Site Scripting (XSS) Vulnerabilities

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(139726);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/05");

  script_cve_id("CVE-2020-2229", "CVE-2020-2230", "CVE-2020-2231");
  script_xref(name:"IAVA", value:"2020-A-0380-S");

  script_name(english:"Jenkins < 2.235.4 LTS / 2.252 Multiple Cross-Site Scripting (XSS) Vulnerabilities");

  script_set_attribute(attribute:"synopsis", value:
"A job scheduling and management system hosted on the remote web server is affected by multiple cross-site scripting vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Jenkins running on the remote web server is prior to 2.252 or is a version of Jenkins LTS prior to
2.235.4. It is, therefore, affected by multiple cross-site scripting vulnerabilities due to improper validation of 
user-supplied input before returning it to users. An authenticated, remote attacker can exploit this to execute 
arbitrary script code in a user's browser session.

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://jenkins.io/security/advisory/2020-08-12/");
  script_set_attribute(attribute:"solution", value:
"Upgrade Jenkins to version 2.252 or later, Jenkins LTS to version 2.235.4 or later.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-2231");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/08/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/08/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/08/20");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cloudbees:jenkins");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:jenkins:jenkins");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_set_attribute(attribute:"enable_cgi_scanning", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("jenkins_detect.nasl", "jenkins_win_installed.nbin", "jenkins_nix_installed.nbin", "macosx_jenkins_installed.nbin");
  script_require_keys("installed_sw/Jenkins");

  exit(0);
}

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

var app_info = vcf::combined_get_app_info(app:'Jenkins');

var constraints = [
  { 'fixed_version' : '2.252',    'fixed_display' : '2.235.4 LTS / 2.252',  'edition' : 'Open Source' },
  { 'fixed_version' : '2.235.4',  'fixed_display' : '2.235.4 LTS / 2.252',  'edition' : 'Open Source LTS' }
];

vcf::jenkins::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_NOTE, flags:{xss:true});