#VU9719 Denial of service in IBM MQ - CVE-2017-1557

Vulnerability identifier: #VU9719

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-1557

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 weakness exists due to insufficient validation of user-supplied input. A remote attacker with authority to connect to a remote queue manager can send a malicious request, cause undefined behaviour within the channel process servicing that connection, including a loss of service for other connections being serviced by the same channel process.

Successful exploitation of the vulnerability may result in denial of service.

Mitigation
Update to version 8.0.0.8, 9.0.0.2, 9.0.4.

Vulnerable software versions

IBM MQ: 8.0, 8.0.0.0 - 8.0.0.7, 9.0.0.1 - 9.0.5

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External links
https://www-01.ibm.com/support/docview.wss?uid=swg22004378&myns=swgws&mynp=OCSSYHRD&a...

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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.