GitLab 17.1 < 17.2.9 / 17.3 < 17.3.5 / 17.4 < 17.4.2 (CVE-2024-6530)

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

include('compat.inc');

if (description)
{
  script_id(208696);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/11/04");

  script_cve_id("CVE-2024-6530");
  script_xref(name:"IAVA", value:"2024-A-0647-S");

  script_name(english:"GitLab 17.1 < 17.2.9 / 17.3 < 17.3.5 / 17.4 < 17.4.2 (CVE-2024-6530)");

  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:

  - A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 17.1 prior
    17.2.9, starting from 17.3 prior to 17.3.5, and starting from 17.4 prior to 17.4.2. When adding a
    authorizing an application, it can be made to render as HTML under specific circumstances. (CVE-2024-6530)

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-2024-6530.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?864709f2");
  script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/471049");
  script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/2567533");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 17.2.9, 17.3.5, 17.4.2 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/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:R/S:C/C:L/I:L/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-2024-6530");

  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:"2024/10/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/10/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/10/10");

  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:"stig_severity", value:"I");
  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\.(2|3|4)$")
  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' : '17.1', 'fixed_version' : '17.2.9' },
  { 'min_version' : '17.3', 'fixed_version' : '17.3.5' },
  { 'min_version' : '17.4', 'fixed_version' : '17.4.2' }
];

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