#VU67214 Input validation error in IBM DB2 - CVE-2022-35637

Vulnerability identifier: #VU67214

Vulnerability risk: Medium

CVSSv4.0: 4.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

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

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External links
https://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/
https://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.