CVE-2017-6458

Publication date 27 March 2017

Last updated 25 August 2025

Ubuntu priority

Negligible

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.

Read the notes from the security team

Status

Package Ubuntu Release Status
ntp 21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Not affected
19.10 eoan
Not affected
19.04 disco
Not affected
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

Notes

mdeslaur

This is not a vulnerability per se, but a weakness in an internal helper function

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

CVSS version: CVSS v3.0

Base score 8.8 · High

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities