Cisco NX-OS Improper Input Validation (CVE-2012-4122)

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

include('compat.inc');

if (description)
{
  script_id(502780);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/21");

  script_cve_id("CVE-2012-4122");

  script_name(english:"Cisco NX-OS Improper Input Validation (CVE-2012-4122)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The CLI parser in Cisco NX-OS allows local users to bypass intended
access restrictions, and overwrite or create arbitrary files, via
shell output redirection, aka Bug IDs CSCts56672 and CSCts56669.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
# script_set_attribute(attribute:"see_also", value:"http://osvdb.org/98121");
  # http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4122
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?51216a3d");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/62843");
  script_set_attribute(attribute:"see_also", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/87672");
# script_set_attribute(attribute:"see_also", value:"http://osvdb.org/98121");
  # http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4122
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?51216a3d");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/62843");
  script_set_attribute(attribute:"see_also", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/87672");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:N/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2012-4122");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(20);

  script_set_attribute(attribute:"vuln_publication_date", value:"2013/10/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/10/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/12/04");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:nexus_5000_series_switches");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:nexus_7000_series_switches");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2024-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Cisco");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Cisco');

var asset = tenable_ot::assets::get(vendor:'Cisco');

var vuln_cpes = {
    "cpe:/o:cisco:nexus_5000_series_switches" :
        {"family" : "NXOS", "versionEndExcluding" : "5.1(3)N1(1a)", "versionStartIncluding" : "5.0(3)N2(1)"},
    "cpe:/o:cisco:nexus_7000_series_switches" :
        {"family" : "NXOS", "versionEndExcluding" : "6.1(3)", "versionStartIncluding" : "4.1.(2)"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);