Jenkins LTS < 2.528.3 / Jenkins weekly < 2.541 Multiple Vulnerabilities

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

include('compat.inc');

if (description)
{
  script_id(278129);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/24");

  script_cve_id(
    "CVE-2025-67635",
    "CVE-2025-67637",
    "CVE-2025-67638",
    "CVE-2025-67639"
  );
  script_xref(name:"JENKINS", value:"2025-12-10");
  script_xref(name:"IAVA", value:"2025-A-0892-S");

  script_name(english:"Jenkins LTS < 2.528.3 / Jenkins weekly < 2.541 Multiple Vulnerabilities");

  script_set_attribute(attribute:"synopsis", value:
"An application running on a remote web server host is affected by multiple vulnerabilities");
  script_set_attribute(attribute:"description", value:
"According to its its self-reported version number, the version of Jenkins running on the remote web server is Jenkins
LTS prior to 2.528.3 or Jenkins weekly prior to 2.541. It is, therefore, affected by multiple vulnerabilities:

  - A cross-site request forgery (CSRF) vulnerability in Jenkins 2.540 and earlier, LTS 2.528.2 and earlier
    allows attackers to trick users into logging in to the attacker's account. (CVE-2025-67639)

  - Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not mask build authorization tokens displayed on
    the job configuration form, increasing the potential for attackers to observe and capture them.
    (CVE-2025-67638)

  - Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when
    the connection stream becomes corrupted, allowing unauthenticated attackers to cause a denial of service.
    (CVE-2025-67635)

  - Jenkins 2.540 and earlier, LTS 2.528.2 and earlier stores build authorization tokens unencrypted in job
    config.xml files on the Jenkins controller where they can be viewed by users with Item/Extended Read
    permission or access to the Jenkins controller file system. (CVE-2025-67637)

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/2025-12-10");
  script_set_attribute(attribute:"solution", value:
"Upgrade Jenkins weekly to version 2.541 or later, or Jenkins LTS to version 2.528.3 or later.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/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:N/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-2025-67639");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2025-67638");

  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:"2025/12/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/12/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/12/10");

  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:"generated_plugin", value:"current");
  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) 2025-2026 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_extras.inc');

var constraints = [
  { 'max_version' : '2.540', 'fixed_version' : '2.541', 'edition' : 'Open Source' },
  { 'max_version' : '2.528.2', 'fixed_version' : '2.528.3', 'edition' : 'Open Source LTS' }
];

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

vcf::jenkins::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_WARNING,
    flags:{'xsrf':TRUE}
);