GitLab 16.9.7 < 17.1.7 / 17.2 < 17.2.5 / 17.3 < 17.3.2 (CVE-2024-8754)

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

include('compat.inc');

if (description)
{
  script_id(207100);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/16");

  script_cve_id("CVE-2024-8754");

  script_name(english:"GitLab 16.9.7 < 17.1.7 / 17.2 < 17.2.5 / 17.3 < 17.3.2 (CVE-2024-8754)");

  script_set_attribute(attribute:"synopsis", value:
"The version of GitLab installed on the remote host is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of GitLab installed on the remote host is affected by a vulnerability, as follows:

  - An issue has been discovered in GitLab EE/CE affecting all versions from 16.9.7 prior to 17.1.7, 17.2
    prior to 17.2.5, and 17.3 prior to 17.3.2. An improper input validation error allows attacker to squat on
    accounts via linking arbitrary unclaimed provider identities when JWT authentication is configured.
    (CVE-2024-8754)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://gitlab.com/gitlab-org/cves/-/blob/master/2024/CVE-2024-8754.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f3e77c4d");
  script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/464062");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 17.1.7, 17.2.5, 17.3.2 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/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:H/I:H/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-2024-8754");

  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:"2024/09/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/09/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/09/12");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:gitlab:gitlab");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  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) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("gitlab_webui_detect.nbin", "gitlab_nix_installed.nbin");
  script_require_keys("installed_sw/GitLab");

  exit(0);
}

include('vcf.inc');

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

if (report_paranoia < 2 && max_index(app_info.parsed_version[0]) < 3 && app_info.version =~ "^17\.(1|2|3)$")
  if (!empty_or_null(app_info.port))
    audit(AUDIT_POTENTIAL_VULN, app, app_info.version, app_info.port);
  else
    audit(AUDIT_POTENTIAL_VULN, app, app_info.version);

var constraints = [
  { 'min_version' : '16.9.7', 'fixed_version' : '17.1.7' },
  { 'min_version' : '17.2', 'fixed_version' : '17.2.5' },
  { 'min_version' : '17.3', 'fixed_version' : '17.3.2' }
];

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_HOLE
);