A vulnerability in Cisco IOS XR software allows remote attackers to cause denial of service by sending unauthenticated gRPC requests
Reporter | Title | Published | Views | Family All 6 |
---|---|---|---|---|
![]() | CVE-2017-3876 | 16 May 201717:29 | – | cve |
![]() | Cisco IOS XR Software Event Management Service gRPC Handling DoS (cisco-sa-20170503-ios-xr) | 4 May 201700:00 | – | nessus |
![]() | CVE-2017-3876 | 16 May 201717:29 | – | nvd |
![]() | Design/Logic Flaw | 16 May 201717:29 | – | prion |
![]() | Cisco IOS XR Software Denial of Service Vulnerability | 3 May 201716:00 | – | cisco |
![]() | CVE-2017-3876 | 16 May 201717:00 | – | cvelist |
# Copyright (C) 2017 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
CPE = "cpe:/o:cisco:ios_xr";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.106800");
script_version("2022-09-23T10:10:45+0000");
script_tag(name:"last_modification", value:"2022-09-23 10:10:45 +0000 (Fri, 23 Sep 2022)");
script_tag(name:"creation_date", value:"2017-05-10 20:50:36 +0700 (Wed, 10 May 2017)");
script_tag(name:"cvss_base", value:"7.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
script_cve_id("CVE-2017-3876");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Cisco IOS XR Software Denial of Service Vulnerability (cisco-sa-20170503-ios-xr)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
script_family("CISCO");
script_dependencies("gb_cisco_ios_xr_consolidation.nasl");
script_mandatory_keys("cisco/ios_xr/detected");
script_tag(name:"summary", value:"A vulnerability in the Event Management Service daemon (emsd)
of Cisco IOS XR routers could allow an unauthenticated, remote attacker to cause a denial of
service (DoS) condition on the affected device.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The vulnerability is due to improper handling of gRPC requests.
An attacker could exploit this vulnerability by repeatedly sending unauthenticated gRPC requests
to the affected device.");
script_tag(name:"impact", value:"A successful exploit could allow the attacker to crash the
device in such a manner that manual intervention is required to recover.");
script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");
script_xref(name:"URL", value:"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170503-ios-xr");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if( ! version = get_app_version( cpe:CPE, nofork:TRUE ) )
exit( 0 );
affected = make_list(
'6.1.0',
'6.1.1' );
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 );
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