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nessusThis script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.JENKINS_2_286.NASL
HistoryApr 23, 2021 - 12:00 a.m.

Jenkins LTS < 2.277.3 / Jenkins weekly < 2.286

2021-04-2300:00:00
This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
33

7.7 High

AI Score

Confidence

High

According to its its self-reported version number, the version of Jenkins running on the remote web server is Jenkins LTS prior to 2.277.3 or Jenkins weekly prior to 2.286. It is, therefore, affected by a vulnerability:

  • In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame. (CVE-2021-28165)

Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.

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

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

if (description)
{
  script_id(148975);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/03");

  script_cve_id("CVE-2021-28165");

  script_name(english:"Jenkins LTS < 2.277.3 / Jenkins weekly < 2.286");

  script_set_attribute(attribute:"synopsis", value:
"An application running on a remote web server host is affected by a vulnerability");
  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 2.277.3 or Jenkins weekly prior to 2.286. It is, therefore, affected by a vulnerability:

  - In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can
    reach 100% upon receiving a large invalid TLS frame. (CVE-2021-28165)

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://jenkins.io/security/advisory/2021-04-20");
  script_set_attribute(attribute:"solution", value:
"Upgrade Jenkins weekly to version 2.286 or later or Jenkins LTS to version 2.277.3 or later");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  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:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-28165");

  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:"2021/04/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/04/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/23");

  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:"thorough_tests", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2021-2024 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 = [
  { 'max_version' : '2.285',    'fixed_version' : '2.286',    'edition' : 'Open Source' },
  { 'max_version' : '2.277.2',  'fixed_version' : '2.277.3',  'edition' : 'Open Source LTS' }
];

vcf::jenkins::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);
VendorProductVersion
cloudbeesjenkins
jenkinsjenkins

7.7 High

AI Score

Confidence

High

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