Allocation of resources without limits or throttling in IBM InfoSphere Information Server

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU63159

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0084

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

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

The vulnerability exists due to notifyReadClosed method from main/java/org/xnio/StreamConnection.java logs data into debug log instead of stderr. As a result, an attacker can trigger the application to log enormous amount of data and consume all available space.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM InfoSphere Information Server: before 11.7.1.4 Service pack 1

External links

http://www.ibm.com/support/pages/node/6988643

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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.