6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
7.7 High
AI Score
Confidence
High
0.043 Low
EPSS
Percentile
92.4%
# SPDX-FileCopyrightText: 2009 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:ntp:ntp";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.900623");
script_version("2024-02-20T05:05:48+0000");
script_tag(name:"last_modification", value:"2024-02-20 05:05:48 +0000 (Tue, 20 Feb 2024)");
script_tag(name:"creation_date", value:"2009-04-30 06:40:16 +0200 (Thu, 30 Apr 2009)");
script_tag(name:"cvss_base", value:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_cve_id("CVE-2009-0159");
script_name("NTP.org 'ntpd' Stack Buffer Overflow Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2009 Greenbone AG");
script_family("Buffer overflow");
script_dependencies("ntp_open.nasl", "gb_ntp_detect_lin.nasl");
script_mandatory_keys("ntpd/version/detected");
script_xref(name:"URL", value:"http://secunia.com/advisories/34608");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/34481");
script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/49838");
script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2009/0999");
script_tag(name:"impact", value:"Successful exploitation will allow attackers to execute arbitrary
code or to cause the application to crash.");
script_tag(name:"affected", value:"NTPd version prior to 4.2.4p7-RC2.");
script_tag(name:"insight", value:"The flaw is due to a boundary error within the cookedprint()
function in ntpq/ntpq.c while processing malicious response from
a specially crafted remote time server.");
script_tag(name:"solution", value:"Update to version 4.2.4p7-RC2 or later.");
script_tag(name:"summary", value:"NTP.org's reference implementation of NTP server, ntpd is prone to multiple stack buffer overflow vulnerabilities.");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
include("version_func.inc");
include("revisions-lib.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"];
location = infos["location"];
proto = infos["proto"];
if (revcomp(a: version, b: "4.2.4p7-rc2") < 0) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.2.4p7-RC2", install_path: location);
security_message(port: port, proto: proto, data: report);
exit(0);
}
exit(99);