Cisco IOS 12.4 HTTP Server Cross-Site Request Forgery (CVE-2008-4128)

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

include('compat.inc');

if (description)
{
  script_id(329207);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/24");

  script_cve_id("CVE-2008-4128");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2026/07/16");

  script_name(english:"Cisco IOS 12.4 HTTP Server Cross-Site Request Forgery (CVE-2008-4128)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is running a version of Cisco IOS that is affected by a cross-site request forgery vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco IOS 12.4 is affected by multiple cross-site request forgery (CSRF) 
vulnerabilities in the HTTP administration component. An unauthenticated, remote attacker can exploit these by persuading
an authenticated user to follow a malicious link, allowing execution of arbitrary commands via (1) a 'show privilege'
command to the /level/15/exec/- URI or (2) an 'alias exec' command to the /level/15/exec/-/configure/http URI.

This version of Cisco IOS reached end-of-life and no vendor fix is available.

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://www.exploit-db.com/exploits/6476");
  # https://www.cisa.gov/news-events/cybersecurity-advisories/aa26-194a
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9f72ca94");
  # https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?94ee4a94");
  script_set_attribute(attribute:"see_also", value:"https://nvd.nist.gov/vuln/detail/CVE-2008-4128");
  script_set_attribute(attribute:"solution", value:
"No vendor patch is available as this software has reached end-of-life. Upgrade to a supported version.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2008-4128");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2008/09/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2008/09/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/23");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:ios");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("cisco_ios_version.nasl");
  script_require_keys("Host/Cisco/IOS/Version");

  exit(0);
}

include('ccf.inc');

product_info = cisco::get_product_info(name:'Cisco IOS');

# All of IOS 12.4 is affected; no fix was ever released and is now EOL.
vuln_ranges = [
  { 'min_ver' : '12.4', 'fix_ver' : '12.4.9999', 'fix_display' : 'Upgrade to a supported version.'}
];

reporting = make_array(
  'port'     , product_info['port'],
  'severity' , SECURITY_HOLE,
  'version'  , product_info['version'],
  'xsrf'     , TRUE
);

cisco::check_and_report(
  product_info:product_info,
  reporting:reporting,
  vuln_ranges:vuln_ranges
);