Arch Linux: ASA-201810-2 Medium: NTP Arbitrary Code Execution

Arch Linux Security Advisory ASA-201810-2
========================================
Severity: Medium
Date    : 2018-10-01
CVE-ID  : CVE-2018-12327
Package : ntp
Type    : arbitrary code execution
Remote  : No
Link    : https://security.archlinux.org/AVG-723

Summary
======
The package ntp before version 4.2.8.p12-1 is vulnerable to arbitrary
code execution.

Resolution
=========
Upgrade to 4.2.8.p12-1.

# pacman -Syu "ntp>=4.2.8.p12-1"

The problem has been fixed upstream in version 4.2.8.p12.

Workaround
=========
None.

Description
==========
Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11
allows an attacker to achieve code execution or escalate to higher
privileges via a long string as the argument for an IPv4 or IPv6
command-line parameter.

Impact
=====
A local attacker is able to execute arbitrary code via specially
crafted command line options.

References
=========
https://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f
;REV=5b3ba863G-42Ac2TFzCy-PZ8vqNfVA
https://security.archlinux.org/CVE-2018-12327