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Security Bulletin: IBM WebSphere MQ Improper access control for some local MQSC commands (CVE-2015-7473)

Security Bulletin


Summary

runmqsc allows a user who already has +connect and +dsp authority to a queue manager to perform a small number of commands that would normally require additional privileges.

The vulnerability does not affect client MQSC, only locally connected runmqsc.

Vulnerability Details

CVEID: CVE-2015-7473
DESCRIPTION: IBM WebSphere MQ could allow a local attacker with certain permissions to execute commands against the local queue manager that they should not have access to.
CVSS Base Score: 2.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108500 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

The problem affects IBM WebSphere MQ 8.0.0.0 through 8.0.0.4 maintenance levels, previous MQ releases required users to be administrative users to be able to execute the runmqsc program.

Remediation/Fixes

Apply fixpack IBM WebSphere MQ 8.0.0.5 or later

Workarounds and Mitigations

None

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References

Related information

Change History

2 June 2016: Original version published

*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.

Related information

A Japanese translation is available

Document information

More support for: WebSphere MQ
Security

Software version: 8.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows

Software edition: All Editions

Reference #: 1984555

Modified date: 02 June 2016