CVE-2017-18189 Null dereference in n/a

High 7.5 Published 15 Feb 2018 Updated 5 Aug 2024

A remote attacker can cause a denial-of-service in Sound eXchange by providing a corrupt header that triggers an infinite loop and NULL pointer dereference.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-18189?

CVE-2017-18189 is a high-severity vulnerability in Debian Debian Linux, published on 15 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the startread function in xa.c in Sound eXchange (SoX) through 14.4.2, a corrupt header specifying zero channels triggers an infinite loop with a resultant NULL pointer dereference, which may allow a remote attacker to cause a denial-of-service.

Weakness: CWE-476

Which versions are affected by CVE-2017-18189?

It affects 2 products.

Linux distribution packages (12)

`sox` Red Hat:enterprise_linux:7::client	All versions	`0:14.4.1-7.el7`
`sox-debuginfo` Red Hat:enterprise_linux:7::client	All versions	`0:14.4.1-7.el7`
`sox-devel` Red Hat:enterprise_linux:7::client	All versions	`0:14.4.1-7.el7`
`sox` Red Hat:enterprise_linux:7::computenode	All versions	`0:14.4.1-7.el7`
`sox-debuginfo` Red Hat:enterprise_linux:7::computenode	All versions	`0:14.4.1-7.el7`
`sox-devel` Red Hat:enterprise_linux:7::computenode	All versions	`0:14.4.1-7.el7`
`sox` Red Hat:enterprise_linux:7::server	All versions	`0:14.4.1-7.el7`
`sox-debuginfo` Red Hat:enterprise_linux:7::server	All versions	`0:14.4.1-7.el7`
`sox-devel` Red Hat:enterprise_linux:7::server	All versions	`0:14.4.1-7.el7`
`sox` Red Hat:enterprise_linux:7::workstation	All versions	`0:14.4.1-7.el7`
`sox-debuginfo` Red Hat:enterprise_linux:7::workstation	All versions	`0:14.4.1-7.el7`
`sox-devel` Red Hat:enterprise_linux:7::workstation	All versions	`0:14.4.1-7.el7`

Products include Debian Debian Linux, Sound Exchange Project Sound Exchange.

How do I fix CVE-2017-18189?

Apply the vendor's patch.

Is CVE-2017-18189 being exploited?

There is no known exploitation of CVE-2017-18189 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-18189, GHSA-7cwr-p3p4-jp5x, RHSA-2019:2283, UBUNTU-CVE-2017-18189.