GitLab 0 < 16.8.6 / 16.9 < 16.9.4 / 16.10 < 16.10.2 (CVE-2023-6678)

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

include('compat.inc');

if (description)
{
  script_id(193563);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/17");

  script_cve_id("CVE-2023-6678");
  script_xref(name:"IAVA", value:"2024-A-0229-S");

  script_name(english:"GitLab 0 < 16.8.6 / 16.9 < 16.9.4 / 16.10 < 16.10.2 (CVE-2023-6678)");

  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 affecting all versions before 16.8.6, all versions starting from
    16.9 before 16.9.4, all versions starting from 16.10 before 16.10.2. It was possible for an attacker to
    cause a denial of service using malicious crafted content in a junit test report file. (CVE-2023-6678)

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/2023/CVE-2023-6678.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6b27fadf");
  script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/434689");
  script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/2268037");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 16.8.6, 16.9.4, 16.10.2 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P");
  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:N/I:N/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-6678");

  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:"2024/04/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/04/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/04/19");

  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 =~ "^16\.(8|9|10)$")
  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' : '0', 'fixed_version' : '16.8.6' },
  { 'min_version' : '16.9', 'fixed_version' : '16.9.4' },
  { 'min_version' : '16.10', 'fixed_version' : '16.10.2' }
];

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