Cisco IP Phones 7800 Series and 8800 Series Remote Code Execution (CVE-2019-1716)

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

include('compat.inc');

if (description)
{
  script_id(502091);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/18");

  script_cve_id("CVE-2019-1716");

  script_name(english:"Cisco IP Phones 7800 Series and 8800 Series Remote Code Execution (CVE-2019-1716)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A vulnerability in the web-based management interface of Session
Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and
Cisco IP Phone 8800 Series could allow an unauthenticated, remote
attacker to cause a denial of service (DoS) condition or execute
arbitrary code. The vulnerability exists because the software
improperly validates user-supplied input during user authentication.
An attacker could exploit this vulnerability by connecting to an
affected device using HTTP and supplying malicious user credentials. A
successful exploit could allow the attacker to trigger a reload of an
affected device, resulting in a DoS condition, or to execute arbitrary
code with the privileges of the app user. Cisco fixed this
vulnerability in the following SIP Software releases: 10.3(1)SR5 and
later for Cisco Unified IP Conference Phone 8831; 11.0(4)SR3 and later
for Cisco Wireless IP Phone 8821 and 8821-EX; and 12.5(1)SR1 and later
for the rest of the Cisco IP Phone 7800 Series and 8800 Series.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190320-ip-phone-rce
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e4c63508");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/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:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-1716");

  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:"2019/03/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/03/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/03/18");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:ip_phone_8821-ex_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:ip_phone_8821_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:ip_phone_8831_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:ip_phone_8800_series_firmware");
  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 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:ip_phone_8821_firmware" :
        {"versionEndExcluding" : "11.0(4)sr3", "family" : "CiscoIPPhones"},
    "cpe:/o:cisco:ip_phone_8821-ex_firmware" :
        {"versionEndExcluding" : "11.0(4)sr3", "family" : "CiscoIPPhones"},
    "cpe:/o:cisco:ip_phone_8831_firmware" :
        {"versionEndExcluding" : "10.3(1)sr5", "family" : "CiscoIPPhones"},
    "cpe:/o:cisco:ip_phone_8800_series_firmware" :
        {"versionEndExcluding" : "12.5(1)sr1", "family" : "CiscoIPPhones"}
};

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