CVE-2018-16744 Command injection in n/a

High 7.8 Published 13 Sep 2018 Updated 5 Aug 2024

Attackers can execute arbitrary commands via unsanitized mail_to parameter in mgetty's fax notification feature using popen.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2018-16744?

CVE-2018-16744 is a high-severity command injection vulnerability in n/a, published on 13 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in mgetty before 1.2.1. In fax_notify_mail() in faxrec.c, the mail_to parameter is not sanitized. It could allow for command injection if untrusted input can reach it, because popen is used.

Weakness: CWE-78

Which versions are affected by CVE-2018-16744?

It affects 1 product.

Products include Mgetty Project Mgetty.

How do I fix CVE-2018-16744?

Upgrade to a fixed version.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-16744 being exploited?

There is no known exploitation of CVE-2018-16744 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-16744, GHSA-86wq-gv4v-p8jq, UBUNTU-CVE-2018-16744.