CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
72.1%
A vulnerability in the detection engine parsing of Pragmatic General
Multicast (PGM) protocol packets for Cisco Firepower System Software could allow an unauthenticated, remote
attacker to cause a denial of service (DoS) condition due to the Snort process unexpectedly restarting.
# SPDX-FileCopyrightText: 2017 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/a:cisco:firepower_management_center";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.106778");
script_cve_id("CVE-2016-6368");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_version("2023-07-14T16:09:27+0000");
script_name("Cisco Firepower Detection Engine Pragmatic General Multicast Protocol Decoding Denial of Service Vulnerability");
script_xref(name:"URL", value:"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-fpsnort");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");
script_tag(name:"summary", value:"A vulnerability in the detection engine parsing of Pragmatic General
Multicast (PGM) protocol packets for Cisco Firepower System Software could allow an unauthenticated, remote
attacker to cause a denial of service (DoS) condition due to the Snort process unexpectedly restarting.");
script_tag(name:"insight", value:"The vulnerability is due to improper input validation of the fields in the
PGM protocol packet. An attacker could exploit this vulnerability by sending a crafted PGM packet to the
detection engine on the targeted device.");
script_tag(name:"impact", value:"An exploit could allow the attacker to cause a DoS condition if the Snort
process restarts and traffic inspection is bypassed or traffic is dropped.");
script_tag(name:"qod_type", value:"package");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2017-05-06 01:29:00 +0000 (Sat, 06 May 2017)");
script_tag(name:"creation_date", value:"2017-04-20 15:59:29 +0200 (Thu, 20 Apr 2017)");
script_category(ACT_GATHER_INFO);
script_family("CISCO");
script_copyright("Copyright (C) 2017 Greenbone AG");
script_dependencies("gb_cisco_firepower_management_center_consolidation.nasl");
script_mandatory_keys("cisco/firepower_management_center/detected");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (!version = get_app_version(cpe:CPE, nofork:TRUE))
exit(0);
affected = make_list(
'6.0.0',
'6.0.0.0',
'6.0.0.1',
'6.0.1');
foreach af (affected) {
if (version == af) {
report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
security_message(port: 0, data: report);
exit(0);
}
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
72.1%