CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
72.2%
Check the version of ntp
# 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
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.882376");
script_version("2023-07-12T05:05:04+0000");
script_tag(name:"last_modification", value:"2023-07-12 05:05:04 +0000 (Wed, 12 Jul 2023)");
script_tag(name:"creation_date", value:"2016-01-26 06:11:00 +0100 (Tue, 26 Jan 2016)");
script_cve_id("CVE-2015-8138");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-06-08 12:15:00 +0000 (Tue, 08 Jun 2021)");
script_tag(name:"qod_type", value:"package");
script_name("CentOS Update for ntp CESA-2016:0063 centos6");
script_tag(name:"summary", value:"Check the version of ntp");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The Network Time Protocol (NTP) is used to
synchronize a computer's time with a referenced time source.
It was discovered that ntpd as a client did not correctly check the
originate timestamp in received packets. A remote attacker could use this
flaw to send a crafted packet to an ntpd client that would effectively
disable synchronization with the server, or push arbitrary offset/delay
measurements to modify the time on the client. (CVE-2015-8138)
All ntp users are advised to upgrade to these updated packages, which
contain a backported patch to resolve this issue. After installing the
update, the ntpd daemon will restart automatically.");
script_tag(name:"affected", value:"ntp on CentOS 6");
script_tag(name:"solution", value:"Please Install the Updated Packages.");
script_xref(name:"CESA", value:"2016:0063");
script_xref(name:"URL", value:"http://lists.centos.org/pipermail/centos-announce/2016-January/021623.html");
script_tag(name:"solution_type", value:"VendorFix");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone AG");
script_family("CentOS Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/centos", "ssh/login/rpms", re:"ssh/login/release=CentOS6");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
if(release == "CentOS6")
{
if ((res = isrpmvuln(pkg:"ntp", rpm:"ntp~4.2.6p5~5.el6.centos.4", rls:"CentOS6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"ntpdate", rpm:"ntpdate~4.2.6p5~5.el6.centos.4", rls:"CentOS6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"ntp-doc", rpm:"ntp-doc~4.2.6p5~5.el6.centos.4", rls:"CentOS6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"ntp-perl", rpm:"ntp-perl~4.2.6p5~5.el6.centos.4", rls:"CentOS6")) != NULL)
{
security_message(data:res);
exit(0);
}
if (__pkg_match) exit(99);
exit(0);
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
72.2%