CVE-2018-1632 Path traversal in Informix Dynamic Server Enterprise Edition

High 8.2 Published 20 Aug 2019 Updated 16 Sep 2024

A local database administrator can gain root privileges via a symbolic link vulnerability in the .infxdirs file.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-1632?

CVE-2018-1632 is a high-severity path traversal vulnerability in Ibm Informix Dynamic Server, published on 20 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user logged in with database administrator user to gain root privileges through a symbolic link vulnerability in .infxdirs. IBM X-Force ID: 144432.

Weakness: CWE-59

Which versions are affected by CVE-2018-1632?

It affects 1 product.

Products include Ibm Informix Dynamic Server.

How do I fix CVE-2018-1632?

No fix has been published for CVE-2018-1632 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-1632 being exploited?

There is no known exploitation of CVE-2018-1632 in the wild and no public exploit code.

All Ibm Informix Dynamic Server vulnerabilities

Sources

Also known as GHSA-7p8h-3xw2-w6jw.