GitLab < 15.1.6 (CVE-2022-2931)

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

include('compat.inc');

if (description)
{
  script_id(187609);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/17");

  script_cve_id("CVE-2022-2931");

  script_name(english:"GitLab < 15.1.6 (CVE-2022-2931)");

  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 potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions before 15.1.6, all
    versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. Malformed
    content added to the issue description could have been used to trigger high CPU usage. (CVE-2022-2931)

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/2022/CVE-2022-2931.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?06e8ddb0");
  script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/361982");
  script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/1543718");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 15.1.6 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-2931");

  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:"2022/08/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/08/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/03");

  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 =~ "^15\.(1)$")
  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 = [
  { 'fixed_version' : '15.1.6' }
];

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