CVE-2017-6462

Publication date 27 March 2017

Last updated 25 August 2025

Ubuntu priority

Negligible

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

Buffer overflow in the legacy Datum Programmable Time Server (DPTS) refclock driver in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via a crafted /dev/datum device.

Status

Package Ubuntu Release Status
ntp 18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful
Not affected
17.04 zesty
Fixed 1:4.2.8p9+dfsg-2ubuntu1.1
16.10 yakkety
Fixed 1:4.2.8p8+dfsg-1ubuntu2.1
16.04 LTS xenial
Fixed 1:4.2.8p4+dfsg-3ubuntu5.5
14.04 LTS trusty
Fixed 1:4.2.6.p5+dfsg-3ubuntu2.14.04.11
12.04 LTS precise Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
ntp

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references