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ibmIBMC0FCC5D279BEFE9806E8A80D16BECA9269D08733514F5E75C230F16777C34421
HistoryDec 22, 2022 - 5:30 p.m.

Security Bulletin: IBM MQ Appliance is affected by a Kernel vulnerability (CVE-2020-25705)

2022-12-2217:30:13
www.ibm.com
55
ibm mq appliance
kernel vulnerability
cve-2020-25705
security bulletin
linux kernel
apar it42447
9.2.0.7
9.2.5-csu04

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.004

Percentile

74.6%

JSON

Summary

IBM MQ Appliance has resolved a Kernel vulnerability.

Vulnerability Details

CVEID:CVE-2020-25705
**DESCRIPTION:**Linux Kernel could allow a remote attacker to bypass security restrictions, caused by a flaw in the way reply ICMP packets are limited. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass source port UDP randomization to scan open UDP ports.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191785 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

Affected Products and Versions

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

Remediation/Fixes

This vulnerability is addressed under APAR IT42447

IBM strongly recommends addressing the vulnerability now.

IBM MQ Appliance version 9.2 LTS

Apply 9.2.0.7, or later firmware.

IBM MQ Appliance version 9.2 CD

Apply 9.2.5-CSU04, or later firmware.

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmmq_applianceMatch9.2.0.0
OR
ibmmq_applianceMatch9.2.0.1
OR
ibmmq_applianceMatch9.2.0.2
OR
ibmmq_applianceMatch9.2.0.3
OR
ibmmq_applianceMatch9.2.0.4
OR
ibmmq_applianceMatch9.2.0.5
OR
ibmmq_applianceMatch9.2.0.6
OR
ibmmq_applianceMatch9.2.0.7
OR
ibmmq_applianceMatch9.2.1
OR
ibmmq_applianceMatch9.2.2
OR
ibmmq_applianceMatch9.2.3
OR
ibmmq_applianceMatch9.2.4
OR
ibmmq_applianceMatch9.2.5
OR
ibmmq_applianceMatch9.2.5
OR
ibmmq_applianceMatch01
OR
ibmmq_applianceMatch9.2.5
OR
ibmmq_applianceMatch02
OR
ibmmq_applianceMatch9.2.5
OR
ibmmq_applianceMatch03
VendorProductVersionCPE
ibmmq_appliance9.2.0.0cpe:2.3:a:ibm:mq_appliance:9.2.0.0:*:*:*:*:*:*:*
ibmmq_appliance9.2.0.1cpe:2.3:a:ibm:mq_appliance:9.2.0.1:*:*:*:*:*:*:*
ibmmq_appliance9.2.0.2cpe:2.3:a:ibm:mq_appliance:9.2.0.2:*:*:*:*:*:*:*
ibmmq_appliance9.2.0.3cpe:2.3:a:ibm:mq_appliance:9.2.0.3:*:*:*:*:*:*:*
ibmmq_appliance9.2.0.4cpe:2.3:a:ibm:mq_appliance:9.2.0.4:*:*:*:*:*:*:*
ibmmq_appliance9.2.0.5cpe:2.3:a:ibm:mq_appliance:9.2.0.5:*:*:*:*:*:*:*
ibmmq_appliance9.2.0.6cpe:2.3:a:ibm:mq_appliance:9.2.0.6:*:*:*:*:*:*:*
ibmmq_appliance9.2.0.7cpe:2.3:a:ibm:mq_appliance:9.2.0.7:*:*:*:*:*:*:*
ibmmq_appliance9.2.1cpe:2.3:a:ibm:mq_appliance:9.2.1:*:*:*:*:*:*:*
ibmmq_appliance9.2.2cpe:2.3:a:ibm:mq_appliance:9.2.2:*:*:*:*:*:*:*
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CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

HIGH

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NONE

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UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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EPSS

0.004

Percentile

74.6%

JSON
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