CVE-2018-20768 Code injection in n/a

Critical 9.8 Published 10 Feb 2019 Updated 17 Sep 2024

Attackers can execute arbitrary PHP code on Xerox multifunction printers by exploiting a writable file vulnerability.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-20768?

CVE-2018-20768 is a critical code injection vulnerability in n/a, published on 10 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, 7970i, EC7836, and EC7856 devices before R18-05 073.xxx.0487.15000. An attacker can execute PHP code by leveraging a writable file.

Weakness: CWE-94

Which versions are affected by CVE-2018-20768?

It affects 29 products.

Products include Xerox Workcentre 3655 Firmware, Xerox Workcentre 3655i Firmware, Xerox Workcentre 5845 Firmware, Xerox Workcentre 5865 Firmware, Xerox Workcentre 5865i Firmware, Xerox Workcentre 5875 Firmware and 23 more.

How do I fix CVE-2018-20768?

No fix has been published for CVE-2018-20768 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2018-20768 being exploited?

There is no known exploitation of CVE-2018-20768 in the wild and no public exploit code.

Sources

Also known as GHSA-phqx-688p-m9x2.