CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
AI Score
Confidence
High
EPSS
Percentile
65.8%
The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.
This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(502133);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/18");
script_cve_id("CVE-2015-4226");
script_name(english:"Cisco Unified IP Phones 9900 Series Denial of Service (CVE-2015-4226)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"The packet-storing feature on Cisco 9900 phones with firmware 9.3(2)
does not properly support the RTP protocol, which allows remote
attackers to cause a denial of service (device hang) by sending
malformed RTP packets after a call is answered, aka Bug ID CSCur39976.
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-20150629-CVE-2015-4226
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?409fa40d");
script_set_attribute(attribute:"see_also", value:"http://tools.cisco.com/security/center/viewAlert.x?alertId=39554");
script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/75471");
script_set_attribute(attribute:"see_also", value:"http://www.securitytracker.com/id/1032748");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2015-4226");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(399);
script_set_attribute(attribute:"vuln_publication_date", value:"2015/06/30");
script_set_attribute(attribute:"patch_publication_date", value:"2015/06/30");
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:unified_ip_phones_9900_series_firmware:9.3%282%29");
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:unified_ip_phones_9900_series_firmware:9.3%282%29" :
{"versionEndIncluding" : "9.3(2)", "versionStartIncluding" : "9.3(2)", "family" : "CiscoIPPhones"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);