CVE-2019-4448 Privilege escalation in DB2 High Performance Unload load for LUW
Low-privileged users can execute arbitrary code with root privileges via setuid binaries in IBM DB2 High Performance Unload.
- 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-2019-4448?
CVE-2019-4448 is a high-severity vulnerability in IBM DB2 High Performance Unload load for LUW, published on 26 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM DB2 High Performance Unload load for LUW 6.1, 6.1.0.1, 6.1.0.1 IF1, 6.1.0.2, 6.1.0.2 IF1, and 6.1.0.1 IF2 db2hpum and db2hpum_debug binaries are setuid root and have built-in options that allow an low privileged user the ability to load arbitrary db2 libraries from a privileged context. This results in arbitrary code being executed with root authority. IBM X-Force ID: 163489.
Weakness: CWE-269
Which versions are affected by CVE-2019-4448?
It affects 1 product.
Products include Ibm Db2 High Performance Unload Load.
How do I fix CVE-2019-4448?
No fix has been published for CVE-2019-4448 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-4448 being exploited?
There is no known exploitation of CVE-2019-4448 in the wild and no public exploit code.
Other vulnerabilities in IBM DB2 High Performance Unload load for LUW
- CVE-2019-4523 Memory corruption in DB2 High Performance Unload load for LUW
- CVE-2019-4447 Privilege escalation in DB2 High Performance Unload load for LUW
- CVE-2019-4606 Other in DB2 High Performance Unload load for LUW
- CVE-2025-33126 Fixes to common vulnerabilities found in IBM Db2 High Performance Unload
- CVE-2025-33131 Fixes to common vulnerabilities found in IBM Db2 High Performance Unload
Sources
Also known as GHSA-7jf9-rwmj-r483.