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Security Bulletin: IBM MQ is vulnerable to an error within Eclipse Jetty (CVE-2020-27216)

Security Bulletin


Summary

An issue was found in Eclipse Jetty that is shipped with the MQ Explorer component of IBM MQ.

Vulnerability Details

CVEID:   CVE-2020-27216
DESCRIPTION:   Eclipse Jetty could allow a local authenticated attacker to gain elevated privileges on the system, caused by a race condition in the creation of the temporary subdirectory. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190474 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

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

Remediation/Fixes

This issue is addressed in MQ releases by MQ APAR IT34927
IBM MQ 9.2 LTS

Appy iFix for APAR IT34927

IBM MQ 9.2 CD

Upgrade to IBM MQ 9.2.1

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

28 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:
08 February 2021

UID

ibm16409546