OracleVM 3.3 : ntp (OVMSA-2015-0102)

high Nessus Plugin ID 85143
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote OracleVM host is missing one or more security updates.

Description

The remote OracleVM system is missing necessary patches to address critical security updates :

- 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)

- log when stepping clock for leap second or ignoring it with -x (#1204625)

- fix typos in ntpd man page (#1194463)

- validate lengths of values in extension fields (CVE-2014-9297)

- drop packets with spoofed source address ::1 (CVE-2014-9298)

- add nanosecond support to SHM refclock (#1117704)

- allow creating all SHM segments with owner-only access (#1122015)

- allow symmetric keys up to 32 bytes again (#1053551)

- fix calculation of root dispersion (#1045376)

- fix crash in ntpq mreadvar command (#1165141)

- don't step clock for leap second with -x option (#1190619)

- don't drop packets with source port below 123 (#1171630)

- use larger RSA exponent in ntp-keygen (#1184421)

- refresh peers on routing updates (#1193850)

- increase memlock limit again (#1053568)

- warn when monitor can't be disabled due to limited restrict (#1166596)

- improve documentation of restrict command (#1069019)

- update logconfig documentation for patched default (#1193849)

- don't build ntpsnmpd (#995134)

Solution

Update the affected ntp / ntpdate packages.

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2015-July/000352.html

https://www.tenable.com/security/research/tra-2015-04

Plugin Details

Severity: High

ID: 85143

File Name: oraclevm_OVMSA-2015-0102.nasl

Version: 2.11

Type: local

Published: 7/31/2015

Updated: 1/4/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/RC:C

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:ntp, p-cpe:/a:oracle:vm:ntpdate, cpe:/o:oracle:vm_server:3.3

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/30/2015

Vulnerability Publication Date: 4/8/2015

Reference Information

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

BID: 72583, 72584, 73950, 73951, 74045