Oracle Linux 7 : ntp (ELSA-2018-0855)

high Nessus Plugin ID 109109

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

From Red Hat Security Advisory 2018:0855 :

An update for ntp is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Network Time Protocol (NTP) is used to synchronize a computer's time with another referenced time source. These packages include the ntpd service which continuously adjusts system time and utilities used to query and configure the ntpd service.

Security Fix(es) :

* ntp: Authenticated DoS via Malicious Config Option (CVE-2017-6463)

* ntp: Denial of Service via Malformed Config (CVE-2017-6464)

* ntp: Buffer Overflow in DPTS Clock (CVE-2017-6462)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the NTP project for reporting these issues. Upstream acknowledges Cure53 as the original reporter of these issues.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.5 Release Notes linked from the References section.

Solution

Update the affected ntp packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2018-April/007616.html

Plugin Details

Severity: High

ID: 109109

File Name: oraclelinux_ELSA-2018-0855.nasl

Version: 1.2

Type: local

Agent: unix

Published: 4/18/2018

Updated: 9/27/2019

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: High

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:ntp, p-cpe:/a:oracle:linux:ntp-doc, p-cpe:/a:oracle:linux:ntp-perl, p-cpe:/a:oracle:linux:ntpdate, p-cpe:/a:oracle:linux:sntp, cpe:/o:oracle:linux:7

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Patch Publication Date: 4/17/2018

Vulnerability Publication Date: 3/27/2017

Reference Information

CVE: CVE-2017-6462, CVE-2017-6463, CVE-2017-6464

RHSA: 2018:0855