CVE-2018-1781 Path traversal in DB2 for Linux, UNIX and Windows

High 8.4 Published 9 Nov 2018 Updated 17 Sep 2024

Local attackers can exploit symbolic link vulnerabilities in IBM DB2 to gain root access and modify or corrupt protected files.

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

What is CVE-2018-1781?

CVE-2018-1781 is a high-severity path traversal vulnerability in Ibm Db2, published on 9 Nov 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a local user to obtain root access by exploiting a symbolic link attack to read/write/corrupt a file that they originally did not have permission to access. IBM X-Force ID: 148804.

Weakness: CWE-59

Which versions are affected by CVE-2018-1781?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2018-1781?

No fix has been published for CVE-2018-1781 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-2018-1781 being exploited?

There is no known exploitation of CVE-2018-1781 in the wild and no public exploit code.

All Ibm Db2 vulnerabilities

Sources

Also known as GHSA-2m3g-fr55-vwfh.