Ubuntu 14.04 LTS : NTP vulnerabilities (USN-2497-1)

high Nessus Plugin ID 81256

Synopsis

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

Description

Stephen Roettger, Sebastian Krahmer, and Harlan Stenn discovered that NTP incorrectly handled the length value in extension fields. A remote attacker could use this issue to possibly obtain leaked information, or cause the NTP daemon to crash, resulting in a denial of service.
(CVE-2014-9297)

Stephen Roettger discovered that NTP incorrectly handled ACLs based on certain IPv6 addresses. (CVE-2014-9298).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected ntp and / or ntpdate packages.

See Also

https://ubuntu.com/security/notices/USN-2497-1

Plugin Details

Severity: High

ID: 81256

File Name: ubuntu_USN-2497-1.nasl

Version: 1.17

Type: local

Agent: unix

Published: 2/10/2015

Updated: 10/23/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2014-9298

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:N/I:N/A:H

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:ntp, p-cpe:/a:canonical:ubuntu_linux:ntpdate, cpe:/o:canonical:ubuntu_linux:14.04:-:lts

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 2/9/2015

Vulnerability Publication Date: 10/5/2015

Reference Information

CVE: CVE-2014-9297, CVE-2014-9298