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

Medium 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: Medium

ID: 109109

File Name: oraclelinux_ELSA-2018-0855.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2018/04/18

Updated: 2018/04/18

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.6

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

CVSS v3.0

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/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 2018/04/17

Reference Information

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

RHSA: 2018:0855