USN-4563-1: NTP vulnerability

Publication date

1 October 2020

Overview

NTP could be made to crash.

Releases


Packages

  • ntp - Network Time Protocol daemon and utility programs

Details

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).

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).

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic ntp –  1:4.2.8p10+dfsg-5ubuntu7.3
ntpdate –  1:4.2.8p10+dfsg-5ubuntu7.3
sntp –  1:4.2.8p10+dfsg-5ubuntu7.3

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