CRITICAL

CVE-2018-12327

CVSS v3

9.8

CRITICAL

EPSS Score

13.7%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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. NOTE: It is unclear whether there are any common situations in which ntpq or ntpdc is used with a command line from an untrusted source.

Technical details

Published
6/20/2018

Frequently asked questions

What is CVE-2018-12327?

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. NOTE: It is unclear whether there are any common situations in which ntpq or ntpdc is used with a command line from an untrusted source.

Is CVE-2018-12327 actively exploited?

Active exploitation of CVE-2018-12327 has not been confirmed. The EPSS score is 13.7%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-12327?

CVE-2018-12327 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-12327 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.