Cisco Secure Endpoint ClamAV DoS (cisco-sa-clamav-udf-hmwd9nDy)

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

include('compat.inc');

if (description)
{
  script_id(240744);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/06/27");

  script_cve_id("CVE-2025-20234");
  script_xref(name:"CISCO-BUG-ID", value:"CSCwo45640");
  script_xref(name:"CISCO-SA", value:"cisco-sa-clamav-udf-hmwd9nDy");

  script_name(english:"Cisco Secure Endpoint ClamAV DoS (cisco-sa-clamav-udf-hmwd9nDy)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco Secure Endpoint Connector for ClamAV is affected by a
vulnerability.

  - A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote
    attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to
    a memory overread during UDF file scanning. An attacker could exploit this vulnerability by submitting a
    crafted file containing UDF content to be scanned by ClamAV on an affected device. A successful exploit
    could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the
    affected software. (CVE-2025-20234)

Please see the included Cisco BIDs and Cisco Security Advisory for more information.");
  # https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDy
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d90ded85");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwo45640");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwo45640");
  script_set_attribute(attribute:"agent", value:"windows");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/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:N/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-2025-20234");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(125);

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/06/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/06/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/27");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:secure_endpoint");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CISCO");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("cisco_secure_endpoint_win_installed.nbin");
  script_require_keys("installed_sw/Cisco Secure Endpoint", "SMB/Registry/Enumerated");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [{'scope': 'target', 'match': {'os': 'windows'}}],
  'checks': [
    {
      'product': {'name': 'Cisco Secure Endpoint', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints' : [
        { 'min_version' : '0.0',  'fixed_version' : '7.5.21' },
        { 'min_version' : '8.0',  'fixed_version' : '8.4.5' }
      ]
    }
  ]
};

var vdf_result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING);
vdf::handle_check_and_report_errors(vdf_result:vdf_result);