Vulnerability identifier: #VU67214

Vulnerability risk: Medium

CVSSv3.1: 5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-35637

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM DB2
Server applications / Database software

Vendor: IBM Corporation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the db2expln tools. A remote attacker can pass specially crafted SQL query to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM DB2: 11.5 - 11.5.7.0, 11.1 FP1 - 11.1.4.6, 10.5 - 10.5.0.10

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External links
http://www.ibm.com/blogs/psirt/security-bulletin-ibm-db2-is-vulnerable-to-a-denial-of-service-after-entering-a-specially-crafted-malformed-sql-statement-into-the-db2expln-tool-cve-2022-35637/
http://www.ibm.com/support/pages/node/6618775

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.