#VU12569 Information disclosure through timing discrepancy in IBM MQ - CVE-2018-1388

Vulnerability identifier: #VU12569

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1388

CWE-ID: CWE-208

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM MQ
Server applications / Other server solutions

Vendor: IBM Corporation

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to disclosure of side channel information via discrepancies between valid and invalid PKCS#1 padding. A remote attacker can gain access to potentially sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

IBM MQ: 7.0.1 - 7.0.1.14

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External links
https://www-01.ibm.com/support/docview.wss?uid=swg22013022

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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.