#VU16565 Improper input validation in IBM DB2 - CVE-2018-1977

Vulnerability identifier: #VU16565

Vulnerability risk: Low

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1977

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 authenticated attacker to cause DoS condition on the target system.

The vulnerability exists due to an error when processing malicious input. A remote attacker can issue a specially crafted SELECT statement with TRUNCATE function and cause the service to crash.

Mitigation
Update to version 11.1.4.4.

Vulnerable software versions

IBM DB2: 11.1.0.0

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External links
https://www-01.ibm.com/support/docview.wss?uid=ibm10788089

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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.