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Security Bulletin: IBM MQ Appliance is affected by a libssh2 vulnerability (CVE-2019-17498)

Security Bulletin


Summary

IBM MQ Appliance has resolved a libssh2 vulnerability.

Vulnerability Details

CVEID:   CVE-2019-17498
DESCRIPTION:   libssh2 is vulnerable to a denial of service, caused by an out-of-bounds read when connecting to a malicious SSH server that sends a disconnect message. A remote attacker could exploit this vulnerability to cause a denial of service or obtain sensitive information.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/169461 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

Affected Product(s) Version(s)
IBM MQ Appliance 9.1 LTS
IBM MQ Appliance 9.2 LTS
IBM MQ Appliance 9.1 CD

Remediation/Fixes

IBM MQ Appliance 9.1 LTS

Apply fixpack 9.1.0.7, or later maintenance.

IBM MQ Appliance 9.1 CD

Upgrade to 9.2.1 CD, or later.

IBM MQ Appliance 9.2 LTS

Apply iFix IT34570, or later maintenance.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

18 Jan 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
20 January 2021

UID

ibm16403299