CVE-2020-4387 Race condition in DB2 for Linux- UNIX and Windows

What is CVE-2020-4387?

CVE-2020-4387 is a medium-severity vulnerability in Ibm Db2, published on 1 Jul 2020. 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, 11.1, and 11.5 could allow a local user to obtain sensitive information using a race condition of a symbolic link. IBM X-Force ID: 179269.

Weakness: CWE-362

Which versions are affected by CVE-2020-4387?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2020-4387?

No fix has been published for CVE-2020-4387 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-4387 being exploited?

There is no known exploitation of CVE-2020-4387 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-q795-2wrr-3f96.