GitLab 16.6 < 17.9.7 / 17.10 < 17.10.5 / 17.11 < 17.11.1 (CVE-2025-2443)

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

include('compat.inc');

if (description)
{
  script_id(240213);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/06/20");

  script_cve_id("CVE-2025-2443");

  script_name(english:"GitLab 16.6 < 17.9.7 / 17.10 < 17.10.5 / 17.11 < 17.11.1 (CVE-2025-2443)");

  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:

  - Gitlab reports: Cross Site Scripting (XSS) in Maven Dependency Proxy through CSP directives Cross Site
    Scripting (XSS) in Maven dependency proxy through cache headers Network Error Logging (NEL) Header
    Injection in Maven Dependency Proxy Allows Browser Activity Monitoring Denial of service (DOS) via issue
    preview Unauthorized access to branch names when Repository assets are disabled in the project
    (CVE-2025-2443)

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/2025/CVE-2025-2443.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a80d565d");
  script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/525363");
  script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/3037340");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 17.9.7, 17.10.5, 17.11.1 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:R/S:C/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-2025-2443");

  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:"2025/04/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/06/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/20");

  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) 2025 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\.(9|10|11)$")
  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' : '16.6', 'fixed_version' : '17.9.7' },
  { 'min_version' : '17.10', 'fixed_version' : '17.10.5' },
  { 'min_version' : '17.11', 'fixed_version' : '17.11.1' }
];

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