CVE-2019-8936

Publication date 15 May 2019

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

NTP through 4.2.8p12 has a NULL Pointer Dereference.

From the Ubuntu Security Team

It was discovered that the fix for CVE-2018-7182 introduced a NULL pointer dereference into NTP. An attacker could use this vulnerability to cause a denial of service (crash).

Read the notes from the security team

Status

Package Ubuntu Release Status
ntp 22.04 LTS jammy
Fixed 1:4.2.8p12+dfsg-3ubuntu6
21.10 impish
Fixed 1:4.2.8p12+dfsg-3ubuntu6
21.04 hirsute
Fixed 1:4.2.8p12+dfsg-3ubuntu4.1
20.10 groovy
Fixed 1:4.2.8p12+dfsg-3ubuntu4.20.10.1
20.04 LTS focal
Fixed 1:4.2.8p12+dfsg-3ubuntu4.20.04.1
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Fixed 1:4.2.8p10+dfsg-5ubuntu7.3
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


leosilva

issue was introduced with the fix from CVE-2018-7182

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H