Security restrictions bypass in IBM MQ

1) Security restrictions bypass

EUVDB-ID: #VU9610

Risk: Low

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

CVE-ID: CVE-2017-1341

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions and access arbitrary file on the target system.

The weakness exists due to MQOPEN call might succeed when it should have failed. A remote attacker can use generic profile authority matching for remotely defined MQ object and access the object which he is denied to access.

Mitigation

Update to version 8.0.0.8, 9.0.0.2 or 9.0.4.

Vulnerable software versions

IBM MQ: 8.0.0.0 - 9.0.5

External links

http://www-01.ibm.com/support/docview.wss?uid=swg22005400&myns=swgws&mynp=OCSSYHRD&a...

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.