Multiple vulnerabilities in IBM MQ

Published: 2018-11-13

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-1684 CVE-2018-1792
CWE-ID	CWE-264 CWE-94
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	IBM MQ Server applications / Other server solutions
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Denial of service

EUVDB-ID: #VU15812

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1684

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists due to a problem within the IBM MQ MQTT Service logic. A remote attacker can trigger an error with MQTT topic string publishing and cause a denial of service attack to be executed against MQTT clients attempting to connect to the queue manager.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM MQ: 8.0.0.0 - 9.1.0.0

External links

http://www-01.ibm.com/support/docview.wss?uid=ibm10734297&myns=swgws&mynp=OCSSYHRD&...

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.

2) Code injection

EUVDB-ID: #VU15813

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1792

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')