CVE-2018-1977 Denial of service in DB2 for Linux, UNIX and Windows
An authenticated remote user can cause a denial of service in IBM DB2 by executing a specially crafted SELECT statement with the TRUNCATE function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-1977?
CVE-2018-1977 is a medium-severity denial of service vulnerability in Ibm Db2, published on 14 Dec 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM DB2 for Linux, UNIX and Windows 11.1 (includes DB2 Connect Server) contains a denial of service vulnerability. A remote, authenticated DB2 user could exploit this vulnerability by issuing a specially-crafted SELECT statement with TRUNCATE function. IBM X-Force ID: 154032.
Weakness: CWE-20
Which versions are affected by CVE-2018-1977?
It affects 1 product.
Products include Ibm Db2.
How do I fix CVE-2018-1977?
No fix has been published for CVE-2018-1977 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-1977 being exploited?
There is no known exploitation of CVE-2018-1977 in the wild and no public exploit code.
Other vulnerabilities in Ibm Db2
Sources
Also known as GHSA-gvmr-62pj-49mj.