Vulnerability identifier: #VU85920

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-4378

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM MQ
Server applications / Other server solutions

Vendor: IBM Corporation

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources. An authenticated and authorized user can use a specially crafted PCF messages to perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM MQ: 7.5.0.1 - 7.5.0.9, 7.1.0.1 - 7.1.0.9, 8.0.0.0 - 8.0.0.12, 9.0.0 - 9.0.0.6, 9.1.0.0 - 9.1.0.2

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External links
http://exchange.xforce.ibmcloud.com/vulnerabilities/162084
http://supportcontent.ibm.com/support/pages/node/886885

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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.