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HistoryMay 09, 2023 - 1:37 p.m.

Security Bulletin: CVE-2023-24536, CVE-2023-24537 and CVE-2023-24534 may affect IBM CICS TX Standard

2023-05-0913:37:30
www.ibm.com
18
ibm cics tx standard
cve-2023-24536
cve-2023-24537
cve-2023-24534
golang go
denial of service
vulnerability
fix central link

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

0.005 Low

EPSS

Percentile

77.3%

Summary

CVE-2023-24536, CVE-2023-24537, CVE-2023-24534 may affect IBM CICS TX Standard. IBM CICS TX Standard has addressed the applicable CVE.

Vulnerability Details

CVEID:CVE-2023-24536
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by a flaw during multipart form parsing. By sending a specially crafted input, a remote attacker could exploit this vulnerability to consume large amounts of CPU and memory, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/252176 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)

CVEID:CVE-2023-24537
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an infinite loop due to integer overflow when calling any of the Parse functions. By sending a specially crafted input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/252177 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)

CVEID:CVE-2023-24534
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an memory exhaustion in the common function in HTTP and MIME header parsing. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/252276 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/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_txMatch11.1
CPENameOperatorVersion
cics txeq11.1

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

0.005 Low

EPSS

Percentile

77.3%