Vulnerability identifier: #VU14026

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-2018-1503

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM MQ
Server applications / Other server solutions

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 send messages containing specially crafted headers to the target RCVR or CLUSRCVR type channels to cause the system to enter retry status and cause transmission of subsequent messages to fail.

Mitigation
Update to version 8.0.0.10, 9.0.0.4.

Vulnerable software versions

IBM MQ: 7.5.0.1 - 7.5.0.8, 8.0.0.0 - 8.0.0.9, 9.0.0 - 9.0.0.3

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External links
http://www-01.ibm.com/support/docview.wss?uid=swg22015617

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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.