Atlassian Confluence 9.2.4 < 9.2.6 / 9.4.x < 9.5.2 (CONFSERVER-100164)

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

include('compat.inc');

if (description)
{
  script_id(242980);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/07/29");

  script_cve_id("CVE-2025-27820");

  script_name(english:"Atlassian Confluence 9.2.4 < 9.2.6 / 9.4.x < 9.5.2 (CONFSERVER-100164)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Atlassian Confluence host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in
the CONFSERVER-100164 advisory.

  - A bug in PSL validation logic in Apache HttpClient 5.4.x disables domain checks, affecting cookie
    management and host name verification. Discovered by the Apache HttpClient team. Fixed in the 5.4.3
    release (CVE-2025-27820)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://jira.atlassian.com/browse/CONFSERVER-100164");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Atlassian Confluence version 9.2.6, 9.5.2 or later.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/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:N/UI:N/S:U/C:N/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-2025-27820");

  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:"2025/07/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/07/29");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:atlassian:confluence");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_set_attribute(attribute:"enable_cgi_scanning", 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("confluence_detect.nasl", "confluence_nix_installed.nbin", "confluence_win_installed.nbin");
  script_require_keys("installed_sw/Atlassian Confluence");

  exit(0);
}

include('vcf.inc');

var app_info = vcf::combined_get_app_info(app:'Atlassian Confluence');

var constraints = [
  { 'min_version' : '9.2.4', 'fixed_version' : '9.2.6' },
  { 'min_version' : '9.4.0', 'fixed_version' : '9.5.2' }
];

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