CVE-2020-4355
First published: Wed Jul 01 2020(Updated: )
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) is vulnerable to a denial of service, caused by improper handling of Secure Sockets Layer (SSL) renegotiation requests. By sending specially-crafted requests, a remote attacker could exploit this vulnerability to increase the resource usage on the system.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM DB2 Universal Database | =9.7.0.0 | |
| IBM DB2 Universal Database | =10.1.0.0 | |
| IBM DB2 Universal Database | =10.5.0.0 | |
| IBM DB2 Universal Database | =11.1.0.0 | |
| IBM DB2 Universal Database | =11.5.0.0 | |
| Linux Kernel | ||
| Microsoft Windows Operating System |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-4355?
CVE-2020-4355 has a severity rating of Medium due to its potential for causing a denial of service.
How do I fix CVE-2020-4355?
To fix CVE-2020-4355, you should apply the latest security updates provided by IBM for the affected versions of DB2.
What versions of IBM DB2 are affected by CVE-2020-4355?
CVE-2020-4355 affects IBM DB2 versions 9.7.0.0, 10.1.0.0, 10.5.0.0, 11.1.0.0, and 11.5.0.0.
What attack vector is associated with CVE-2020-4355?
CVE-2020-4355 can be exploited through remote attacks leveraging specially-crafted SSL renegotiation requests.
Is CVE-2020-4355 specific to any operating system?
CVE-2020-4355 is not limited to any specific operating system but affects the listed versions of IBM DB2 running on Linux, UNIX, and Windows.
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