CVE-2018-1834 Path traversal in DB2 for Linux, UNIX and Windows

What is CVE-2018-1834?

CVE-2018-1834 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 contains a vulnerability that could allow a local user to escalate their privileges to root through a symbolic link attack. IBM X-Force ID: 150511.

Weakness: CWE-59

Which versions are affected by CVE-2018-1834?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2018-1834?

No fix has been published for CVE-2018-1834 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-2018-1834 being exploited?

There is no known exploitation of CVE-2018-1834 in the wild and no public exploit code.

Other vulnerabilities in Ibm Db2

• CVE-2012-1797 IBM DB2 9.5 uses world-writable permissions for nodes.reg, which has unspecified impact and attack vectors. Critical 10.0
• CVE-2010-3731 Memory corruption in n/a Critical 10.0
• CVE-2010-3193 Other in n/a Critical 10.0
• CVE-2009-4335 Other in n/a Critical 10.0
• CVE-2009-3473 Missing authorization in n/a Critical 10.0

All Ibm Db2 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-fq39-h9wq-33rv.