Oracle Linux 7 : ntp (ELSA-2015-2231)

high Nessus Plugin ID 87030

Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-2231 advisory.

- check origin timestamp before accepting KoD RATE packet (CVE-2015-7704)
- allow only one step larger than panic threshold with -g (CVE-2015-5300)
- validate lengths of values in extension fields (CVE-2014-9297)
- drop packets with spoofed source address ::1 (CVE-2014-9298)
- reject packets without MAC when authentication is enabled (CVE-2015-1798)
- protect symmetric associations with symmetric key against DoS attack (CVE-2015-1799)
- fix generation of MD5 keys with ntp-keygen on big-endian systems (CVE-2015-3405)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2015-2231.html

Plugin Details

Severity: High

ID: 87030

File Name: oraclelinux_ELSA-2015-2231.nasl

Version: 1.18

Type: local

Agent: unix

Published: 11/24/2015

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2014-9751

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2015-3405

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/23/2015

Vulnerability Publication Date: 4/8/2015

Reference Information

CVE: CVE-2014-9297, CVE-2014-9298, CVE-2014-9750, CVE-2014-9751, CVE-2015-1798, CVE-2015-1799, CVE-2015-3405