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IBMBD22C8F012157F181C0448F440FB9220CCB7172D67C7288042C8A27BB0A837AE

HistoryAug 19, 2022 - 11:53 p.m.

Security Bulletin: IBM MQ is vulnerable to a deadlock in the IBM MQ PAM feature. (CVE-2018-1419)

2022-08-1923:53:56

www.ibm.com

ibm mq

pam module

deadlock

vulnerability

authentication

denial of service

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

40.7%

JSON

Summary

Users of the IBM MQ PAM module feature can experience a deadlock causing further authentication attempts to fail resulting in a denial of service.

Vulnerability Details

CVEID: CVE-2018-1419**
DESCRIPTION:** IBM MQ, when configured to use a PAM module for authentication, could allow a user to cause a deadlock in the IBM MQ PAM code which could result in a denial of service.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/138949 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM MQ v8.0

Maintenance level: 8.0.0.0 - 8.0.0.8

IBM MQ v9.0 LTS

Maintenance levels: 9.0.0.0 - 9.0.0.2

IBM MQ v9.0.x CD

IBM MQ version 9.0.1 - 9.0.4

Workarounds and Mitigations

IBM MQ v8.0

Apply fixpack 8.0.0.9

IBM MQ v9.0 LTS

Apply fixpack 9.0.0.3

IBM MQ v9.0.x CD

Upgrade to IBM MQ 9.0.5

Affected configurations

Vulners

Node

ibmmqMatch9.0.4

ibmmqMatch9.0.3

ibmmqMatch9.0.2

ibmmqMatch9.0.1

ibmmqMatch9.0.0.2

ibmmqMatch9.0.0.1

ibmmqMatch9.0

ibmmqMatch8.0.0.8

ibmmqMatch8.0.0.7

ibmmqMatch8.0.0.6

ibmmqMatch8.0.0.5

ibmmqMatch8.0.0.4

ibmmqMatch8.0.0.3

ibmmqMatch8.0.0.2

ibmmqMatch8.0.0.1

ibmmqMatch8.0

ibmmqMatchany

ibmapplication_support_facilityMatchanyaix

CPENameOperatorVersion
ibm mqeq9.0.4
ibm mqeq9.0.3
ibm mqeq9.0.2
ibm mqeq9.0.1
ibm mqeq9.0.0.2
ibm mqeq9.0.0.1
ibm mqeq9.0
ibm mqeq8.0.0.8
ibm mqeq8.0.0.7
ibm mqeq8.0.0.6

Name	Operator	Version
ibm mq	eq	9.0.4
ibm mq	eq	9.0.3
ibm mq	eq	9.0.2
ibm mq	eq	9.0.1
ibm mq	eq	9.0.0.2
ibm mq	eq	9.0.0.1
ibm mq	eq	9.0
ibm mq	eq	8.0.0.8
ibm mq	eq	8.0.0.7
ibm mq	eq	8.0.0.6

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3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

40.7%

JSON

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