CVE-2017-16603 File upload in NetGain Systems Enterprise Manager

High 8.8 Published 23 Jan 2018 Updated 5 Aug 2024

Remote attackers can bypass authentication and upload arbitrary files to execute code with Administrator privileges in NetGain Systems Enterprise Manager.

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

What is CVE-2017-16603?

CVE-2017-16603 is a high-severity vulnerability in NetGain Systems Enterprise Manager, published on 23 Jan 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

This vulnerability allows remote attackers to execute code by creating arbitrary files on vulnerable installations of NetGain Systems Enterprise Manager 7.2.730 build 1034. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the org.apache.jsp.u.jsp.settings.upload_005ffile_005fdo_jsp servlet, which listens on TCP port 8081 by default. When parsing the filename parameter, the process does not properly validate user-supplied data, which can allow for the upload of files. An attacker can leverage this vulnerability to execute code under the context of Administrator. Was ZDI-CAN-5194.

Weakness: CWE-668, CWE-22

Which versions are affected by CVE-2017-16603?

It affects 1 product.

Products include Netgain-Systems Enterprise Manager.

How do I fix CVE-2017-16603?

No fix has been published for CVE-2017-16603 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-16603 being exploited?

There is no known exploitation of CVE-2017-16603 in the wild and no public exploit code.

Sources

Also known as GHSA-6q49-fqjm-g2g3.