ntp vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

* Ubuntu 16.04 LTS
* Ubuntu 14.04 ESM
* Ubuntu 12.04 ESM

Summary

A security issue was fixed in ntpq and ntpdc.

Software Description

* ntp - Network Time Protocol daemon and utility programs

Details

It was discovered that ntpq and ntpdc incorrectly handled some
arguments. An attacker could possibly use this issue to cause ntpq
or ntpdc to crash, execute arbitrary code, or escalate to higher
privileges.

Update instructions

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

Ubuntu 16.04 LTS
ntp - 1:4.2.8p4+dfsg-3ubuntu5.10

Ubuntu 14.04 ESM
ntp - 1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1

Ubuntu 12.04 ESM
ntp - 1:4.2.6.p3+dfsg-1ubuntu3.13

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* CVE-2018-12327

--- Mystic BBS v1.12 A43 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)

ntp vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

* Ubuntu 18.04 LTS

Summary

NTP could be made to crash.

Software Description

* 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).

Update instructions

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

Ubuntu 18.04 LTS
ntp - 1:4.2.8p10+dfsg-5ubuntu7.3
ntpdate - 1:4.2.8p10+dfsg-5ubuntu7.3
sntp - 1:4.2.8p10+dfsg-5ubuntu7.3

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* CVE-2019-8936

--- Mystic BBS v1.12 A46 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)