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
95.4%
ISC BIND is prone to a remote denial of service vulnerability.
# SPDX-FileCopyrightText: 2016 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:isc:bind";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.806998");
script_version("2023-07-21T05:05:22+0000");
script_cve_id("CVE-2015-8461");
script_tag(name:"cvss_base", value:"7.1");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:C");
script_tag(name:"last_modification", value:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
script_tag(name:"creation_date", value:"2016-01-27 15:07:28 +0530 (Wed, 27 Jan 2016)");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_name("ISC BIND Denial of Service Vulnerability (CVE-2015-8461)");
script_tag(name:"summary", value:"ISC BIND is prone to a remote denial of service vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw is due to a race condition
in the 'resolver.c' file when handling socket errors.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to cause a denial of service.");
script_tag(name:"affected", value:"ISC BIND versions 9.9.8 through 9.9.8-P1,
9.9.8-S1 through 9.9.8-S2, 9.10.3 through 9.10.3-P1.");
script_tag(name:"solution", value:"Update to ISC BIND version 9.9.8-P2 or
9.9.8-S3 or 9.10.3-P2 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"https://kb.isc.org/docs/aa-01319");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/79347");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_isc_bind_consolidation.nasl");
script_mandatory_keys("isc/bind/detected");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if( isnull( port = get_app_port( cpe:CPE ) ) )
exit( 0 );
if( ! infos = get_app_full( cpe:CPE, port:port, exit_no_version:TRUE ) )
exit( 0 );
version = infos["version"];
proto = infos["proto"];
location = infos["location"];
if( version_in_range( version:version, test_version:"9.9.8", test_version2:"9.9.8p1" ) ) {
fix = "9.9.8-P2";
VULN = TRUE;
}
else if( version_in_range( version:version, test_version:"9.9.8s1", test_version2:"9.9.8s2" ) ) {
fix = "9.9.8-S3";
VULN = TRUE;
}
else if( version_in_range( version:version, test_version:"9.10.3", test_version2:"9.10.3p1" ) ) {
fix = "9.10.3-P2";
VULN = TRUE;
}
if( VULN ) {
report = report_fixed_ver( installed_version:version, fixed_version:fix, install_path:location );
security_message( data:report, port:port, proto:proto );
exit( 0 );
}
exit( 99 );