Denial of service in IBM DB2



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1977
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 IBM DB2
Server applications / Database software

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU16565

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 - Improper input validation

Exploit availability: No

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

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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