Security Bulletin
Summary
IBM MQ Appliance has resolved a libssh2 vulnerability.
Vulnerability Details
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
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
Get Notified about Future Security Bulletins
References
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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
20 January 2021
UID
ibm16403299