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HistoryMar 29, 2023 - 7:07 p.m.

Security Bulletin: CVE-2022-41723 may affect IBM CICS TX Standard

2023-03-2919:07:06
www.ibm.com
10
ibm cics tx standard
hpack decoder flaw
golang go
denial of service
cve-2022-41723
fix central link
linux
ibm vulnerability
excessive cpu consumption

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.024 Low

EPSS

Percentile

90.0%

Summary

CVE CVE-2022-41723 may affect IBM CICS TX Standard. IBM CICS TX Standard has addressed the applicable CVE. Relevant Go related packages have been upgraded.

Vulnerability Details

CVEID:CVE-2022-41723
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by a flaw in the HPACK decoder. By sending a specially-crafted HTTP/2 stream, a remote attacker could exploit this vulnerability to cause excessive CPU consumption, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/247965 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product Version
IBM CICS TX Standard 11.1

Remediation/Fixes

Product Version Platform Remediation/Fix
IBM CICS TX Standard

11.1

| Linux| Fix Central Link

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmcics_txMatch11.1standard
CPENameOperatorVersion
cics tx standardeq11.1

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.024 Low

EPSS

Percentile

90.0%